72688482 has 16 divisors (see below), whose sum is σ = 161530080. Its totient is φ = 24229476.

The previous prime is 72688477. The next prime is 72688489. The reversal of 72688482 is 28488627.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (72688489) 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 7 ways as a sum of consecutive naturals, for example, 672988 + ... + 673095.

It is an arithmetic number, because the mean of its divisors is an integer number (10095630).

Almost surely, 2^72688482 is an apocalyptic number.

72688482 is an abundant number, since it is smaller than the sum of its proper divisors (88841598).

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

72688482 is a wasteful number, since it uses less digits than its factorization.

72688482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346094 (or 1346088 counting only the distinct ones).

The product of its digits is 344064, while the sum is 45.

The square root of 72688482 is about 8525.7540428985. The cubic root of 72688482 is about 417.3385791161.

The spelling of 72688482 in words is "seventy-two million, six hundred eighty-eight thousand, four hundred eighty-two".