72637676 has 6 divisors (see below), whose sum is σ = 127115940. Its totient is φ = 36318836.

The previous prime is 72637667. The next prime is 72637679. The reversal of 72637676 is 67673627.

It is not an unprimeable number, because it can be changed into a prime (72637679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9079706 + ... + 9079713.

It is an arithmetic number, because the mean of its divisors is an integer number (21185990).

Almost surely, 2^72637676 is an apocalyptic number.

It is an amenable number.

72637676 is a deficient number, since it is larger than the sum of its proper divisors (54478264).

72637676 is a wasteful number, since it uses less digits than its factorization.

72637676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18159423 (or 18159421 counting only the distinct ones).

The product of its digits is 444528, while the sum is 44.

The square root of 72637676 is about 8522.7739615691. The cubic root of 72637676 is about 417.2413227823.

The spelling of 72637676 in words is "seventy-two million, six hundred thirty-seven thousand, six hundred seventy-six".