74689462848 has 840 divisors, whose sum is σ = 275543288384. Its totient is φ = 17733703680.

The previous prime is 74689462823. The next prime is 74689462849. The reversal of 74689462848 is 84826498647.

It is a happy number.

It is a super-2 number, since 2×74689462848² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74689462849) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 725140365 + ... + 725140467.

Almost surely, 2^74689462848 is an apocalyptic number.

74689462848 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 74689462848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137771644192).

74689462848 is an abundant number, since it is smaller than the sum of its proper divisors (200853825536).

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

74689462848 is a wasteful number, since it uses less digits than its factorization.

74689462848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181 (or 139 counting only the distinct ones).

The product of its digits is 148635648, while the sum is 66.

The spelling of 74689462848 in words is "seventy-four billion, six hundred eighty-nine million, four hundred sixty-two thousand, eight hundred forty-eight".