100774072 has 32 divisors (see below), whose sum is σ = 223394400. Its totient is φ = 41698944.

The previous prime is 100774039. The next prime is 100774073. The reversal of 100774072 is 270477001.

It is a super-2 number, since 2×100774072² = 20310827174922368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 100774072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100774073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29403 + ... + 32650.

It is an arithmetic number, because the mean of its divisors is an integer number (6981075).

Almost surely, 2^100774072 is an apocalyptic number.

It is an amenable number.

100774072 is an abundant number, since it is smaller than the sum of its proper divisors (122620328).

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

100774072 is a wasteful number, since it uses less digits than its factorization.

100774072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62095 (or 62091 counting only the distinct ones).

The product of its (nonzero) digits is 2744, while the sum is 28.

The square root of 100774072 is about 10038.6289900564. The cubic root of 100774072 is about 465.3534476974.

The spelling of 100774072 in words is "one hundred million, seven hundred seventy-four thousand, seventy-two".