72673760 has 24 divisors (see below), whose sum is σ = 171692136. Its totient is φ = 29069440.

The previous prime is 72673747. The next prime is 72673807. The reversal of 72673760 is 6737627.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226946 + ... + 227265.

It is an arithmetic number, because the mean of its divisors is an integer number (7153839).

Almost surely, 2^72673760 is an apocalyptic number.

It is an amenable number.

72673760 is an abundant number, since it is smaller than the sum of its proper divisors (99018376).

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

72673760 is a wasteful number, since it uses less digits than its factorization.

72673760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454226 (or 454218 counting only the distinct ones).

The product of its (nonzero) digits is 74088, while the sum is 38.

The square root of 72673760 is about 8524.8906151340. The cubic root of 72673760 is about 417.3104019174.

The spelling of 72673760 in words is "seventy-two million, six hundred seventy-three thousand, seven hundred sixty".