72749482 has 16 divisors (see below), whose sum is σ = 117976320. Its totient is φ = 33445872.

The previous prime is 72749473. The next prime is 72749489. The reversal of 72749482 is 28494727.

It is not an unprimeable number, because it can be changed into a prime (72749489) 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, 1519 + ... + 12157.

It is an arithmetic number, because the mean of its divisors is an integer number (7373520).

Almost surely, 2^72749482 is an apocalyptic number.

72749482 is a deficient number, since it is larger than the sum of its proper divisors (45226838).

72749482 is a wasteful number, since it uses less digits than its factorization.

72749482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10917.

The product of its digits is 225792, while the sum is 43.

The square root of 72749482 is about 8529.3306888642. The cubic root of 72749482 is about 417.4552896532.

The spelling of 72749482 in words is "seventy-two million, seven hundred forty-nine thousand, four hundred eighty-two".