72267402 has 8 divisors (see below), whose sum is σ = 144534816. Its totient is φ = 24089132.

The previous prime is 72267373. The next prime is 72267407. The reversal of 72267402 is 20476227.

It is a sphenic number, since it is the product of 3 distinct primes.

72267402 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 72267402.

It is not an unprimeable number, because it can be changed into a prime (72267407) 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 3 ways as a sum of consecutive naturals, for example, 6022278 + ... + 6022289.

It is an arithmetic number, because the mean of its divisors is an integer number (18066852).

Almost surely, 2^72267402 is an apocalyptic number.

72267402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

72267402 is a wasteful number, since it uses less digits than its factorization.

72267402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12044572.

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 72267402 is about 8501.0235854278. The cubic root of 72267402 is about 416.5311455442.

The spelling of 72267402 in words is "seventy-two million, two hundred sixty-seven thousand, four hundred two".