72862284 has 48 divisors (see below), whose sum is σ = 185988096. Its totient is φ = 22017600.

The previous prime is 72862277. The next prime is 72862291. The reversal of 72862284 is 48226827.

It is an interprime number because it is at equal distance from previous prime (72862277) and next prime (72862291).

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 73029 + ... + 74019.

It is an arithmetic number, because the mean of its divisors is an integer number (3874752).

Almost surely, 2^72862284 is an apocalyptic number.

It is an amenable number.

72862284 is an abundant number, since it is smaller than the sum of its proper divisors (113125812).

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

72862284 is a wasteful number, since it uses less digits than its factorization.

72862284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1566 (or 1564 counting only the distinct ones).

The product of its digits is 86016, while the sum is 39.

The square root of 72862284 is about 8535.9407214437. The cubic root of 72862284 is about 417.6709405546.

The spelling of 72862284 in words is "seventy-two million, eight hundred sixty-two thousand, two hundred eighty-four".