100072744 has 16 divisors (see below), whose sum is σ = 198674100. Its totient is φ = 47092992.

The previous prime is 100072733. The next prime is 100072769. The reversal of 100072744 is 447270001.

It can be written as a sum of positive squares in 2 ways, for example, as 94828644 + 5244100 = 9738^2 + 2290^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 367779 + ... + 368050.

Almost surely, 2^100072744 is an apocalyptic number.

It is an amenable number.

100072744 is a deficient number, since it is larger than the sum of its proper divisors (98601356).

100072744 is a wasteful number, since it uses less digits than its factorization.

100072744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735852 (or 735848 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 100072744 is about 10003.6365387793. The cubic root of 100072744 is about 464.2714053274.

The spelling of 100072744 in words is "one hundred million, seventy-two thousand, seven hundred forty-four".