74345158368 has 384 divisors, whose sum is σ = 249884006400. Its totient is φ = 21312460800.

The previous prime is 74345158367. The next prime is 74345158369. The reversal of 74345158368 is 86385154347.

74345158368 is a `hidden beast` number, since 7 + 4 + 3 + 4 + 51 + 583 + 6 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (74345158367) and next prime (74345158369).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74345158367) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13015033 + ... + 13020743.

It is an arithmetic number, because the mean of its divisors is an integer number (650739600).

Almost surely, 2^74345158368 is an apocalyptic number.

74345158368 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74345158368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124942003200).

74345158368 is an abundant number, since it is smaller than the sum of its proper divisors (175538848032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74345158368 is a wasteful number, since it uses less digits than its factorization.

74345158368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5823 (or 5809 counting only the distinct ones).

The product of its digits is 9676800, while the sum is 54.

The spelling of 74345158368 in words is "seventy-four billion, three hundred forty-five million, one hundred fifty-eight thousand, three hundred sixty-eight".