74238355100 has 72 divisors (see below), whose sum is σ = 198273538848. Its totient is φ = 23495212800.

The previous prime is 74238355097. The next prime is 74238355109. The reversal of 74238355100 is 155383247.

It is a super-2 number, since 2×74238355100² (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 (74238355109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4069931 + ... + 4088130.

Almost surely, 2^74238355100 is an apocalyptic number.

74238355100 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

74238355100 is an abundant number, since it is smaller than the sum of its proper divisors (124035183748).

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

74238355100 is a wasteful number, since it uses less digits than its factorization.

74238355100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8158095 (or 8158088 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 74238355100 in words is "seventy-four billion, two hundred thirty-eight million, three hundred fifty-five thousand, one hundred".