74497327100 has 72 divisors (see below), whose sum is σ = 185489877888. Its totient is φ = 25440120000.

The previous prime is 74497327081. The next prime is 74497327103. The reversal of 74497327100 is 172379447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74497327103) 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, 36302 + ... + 387701.

It is an arithmetic number, because the mean of its divisors is an integer number (2576248304).

Almost surely, 2^74497327100 is an apocalyptic number.

74497327100 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 74497327100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92744938944).

74497327100 is an abundant number, since it is smaller than the sum of its proper divisors (110992550788).

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

74497327100 is a wasteful number, since it uses less digits than its factorization.

74497327100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424275 (or 424268 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 44.

The spelling of 74497327100 in words is "seventy-four billion, four hundred ninety-seven million, three hundred twenty-seven thousand, one hundred".