72762284 has 12 divisors (see below), whose sum is σ = 145524624. Its totient is φ = 31183824.

The previous prime is 72762257. The next prime is 72762299. The reversal of 72762284 is 48226727.

It is a happy number.

72762284 is an admirable 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, 1299299 + ... + 1299354.

It is an arithmetic number, because the mean of its divisors is an integer number (12127052).

Almost surely, 2^72762284 is an apocalyptic number.

It is an amenable number.

72762284 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

72762284 is a wasteful number, since it uses less digits than its factorization.

72762284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2598664 (or 2598662 counting only the distinct ones).

The product of its digits is 75264, while the sum is 38.

The square root of 72762284 is about 8530.0811250539. The cubic root of 72762284 is about 417.4797752762.

The spelling of 72762284 in words is "seventy-two million, seven hundred sixty-two thousand, two hundred eighty-four".