74087979700 has 72 divisors (see below), whose sum is σ = 183929102784. Its totient is φ = 25375200000.

The previous prime is 74087979689. The next prime is 74087979703. The reversal of 74087979700 is 797978047.

It is a super-2 number, since 2×74087979700² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74087979703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 625200 + ... + 734200.

It is an arithmetic number, because the mean of its divisors is an integer number (2554570872).

Almost surely, 2^74087979700 is an apocalyptic number.

74087979700 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 74087979700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91964551392).

74087979700 is an abundant number, since it is smaller than the sum of its proper divisors (109841123084).

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

74087979700 is a wasteful number, since it uses less digits than its factorization.

74087979700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109993 (or 109986 counting only the distinct ones).

The product of its (nonzero) digits is 6223392, while the sum is 58.

The spelling of 74087979700 in words is "seventy-four billion, eighty-seven million, nine hundred seventy-nine thousand, seven hundred".