74356874620 has 96 divisors (see below), whose sum is σ = 183930905088. Its totient is φ = 24716627712.

The previous prime is 74356874573. The next prime is 74356874621. The reversal of 74356874620 is 2647865347.

It is a super-3 number, since 3×74356874620³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74356874621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1440579 + ... + 1491301.

It is an arithmetic number, because the mean of its divisors is an integer number (1915946928).

Almost surely, 2^74356874620 is an apocalyptic number.

74356874620 is a gapful number since it is divisible by the number (70) 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 74356874620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91965452544).

74356874620 is an abundant number, since it is smaller than the sum of its proper divisors (109574030468).

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

74356874620 is a wasteful number, since it uses less digits than its factorization.

74356874620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51059 (or 51057 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 52.

The spelling of 74356874620 in words is "seventy-four billion, three hundred fifty-six million, eight hundred seventy-four thousand, six hundred twenty".