72576402 has 16 divisors (see below), whose sum is σ = 146045280. Its totient is φ = 24043392.

The previous prime is 72576401. The next prime is 72576407. The reversal of 72576402 is 20467527.

It is not an unprimeable number, because it can be changed into a prime (72576401) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 36127 + ... + 38082.

It is an arithmetic number, because the mean of its divisors is an integer number (9127830).

Almost surely, 2^72576402 is an apocalyptic number.

72576402 is an abundant number, since it is smaller than the sum of its proper divisors (73468878).

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

72576402 is a wasteful number, since it uses less digits than its factorization.

72576402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74377.

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 72576402 is about 8519.1784815204. The cubic root of 72576402 is about 417.1239675364.

The spelling of 72576402 in words is "seventy-two million, five hundred seventy-six thousand, four hundred two".