72745716 has 48 divisors (see below), whose sum is σ = 176089088. Its totient is φ = 23349600.

The previous prime is 72745693. The next prime is 72745721. The reversal of 72745716 is 61754727.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104931 + ... + 105621.

Almost surely, 2^72745716 is an apocalyptic number.

It is an amenable number.

72745716 is an abundant number, since it is smaller than the sum of its proper divisors (103343372).

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

72745716 is a wasteful number, since it uses less digits than its factorization.

72745716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012 (or 1010 counting only the distinct ones).

The product of its digits is 82320, while the sum is 39.

The square root of 72745716 is about 8529.1099183913. The cubic root of 72745716 is about 417.4480861025.

The spelling of 72745716 in words is "seventy-two million, seven hundred forty-five thousand, seven hundred sixteen".