72008474 has 16 divisors (see below), whose sum is σ = 111767040. Its totient is φ = 34758480.

The previous prime is 72008471. The next prime is 72008477. The reversal of 72008474 is 47480027.

It is an interprime number because it is at equal distance from previous prime (72008471) and next prime (72008477).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 72008474.

It is not an unprimeable number, because it can be changed into a prime (72008471) 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, 30032 + ... + 32340.

It is an arithmetic number, because the mean of its divisors is an integer number (6985440).

Almost surely, 2^72008474 is an apocalyptic number.

72008474 is a deficient number, since it is larger than the sum of its proper divisors (39758566).

72008474 is a wasteful number, since it uses less digits than its factorization.

72008474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2845.

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 72008474 is about 8485.7806947858. The cubic root of 72008474 is about 416.0330849241.

The spelling of 72008474 in words is "seventy-two million, eight thousand, four hundred seventy-four".