72802572 has 12 divisors (see below), whose sum is σ = 169872696. Its totient is φ = 24267520.

The previous prime is 72802559. The next prime is 72802573. The reversal of 72802572 is 27520827.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (72802573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3033429 + ... + 3033452.

It is an arithmetic number, because the mean of its divisors is an integer number (14156058).

Almost surely, 2^72802572 is an apocalyptic number.

It is an amenable number.

72802572 is an abundant number, since it is smaller than the sum of its proper divisors (97070124).

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

72802572 is a wasteful number, since it uses less digits than its factorization.

72802572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6066888 (or 6066886 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 72802572 is about 8532.4423232742. The cubic root of 72802572 is about 417.5568129984.

The spelling of 72802572 in words is "seventy-two million, eight hundred two thousand, five hundred seventy-two".