72866292 has 24 divisors (see below), whose sum is σ = 178970400. Its totient is φ = 23010336.

The previous prime is 72866279. The next prime is 72866293. The reversal of 72866292 is 29266827.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72866293) 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, 159567 + ... + 160022.

It is an arithmetic number, because the mean of its divisors is an integer number (7457100).

Almost surely, 2^72866292 is an apocalyptic number.

It is an amenable number.

72866292 is an abundant number, since it is smaller than the sum of its proper divisors (106104108).

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

72866292 is a wasteful number, since it uses less digits than its factorization.

72866292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319615 (or 319613 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 72866292 is about 8536.1754902298. The cubic root of 72866292 is about 417.6785988122.

The spelling of 72866292 in words is "seventy-two million, eight hundred sixty-six thousand, two hundred ninety-two".