72046476 has 48 divisors (see below), whose sum is σ = 197779680. Its totient is φ = 22602240.

The previous prime is 72046439. The next prime is 72046487. The reversal of 72046476 is 67464027.

72046476 is a `hidden beast` number, since 7 + 2 + 0 + 4 + 647 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 72046476.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 17785 + ... + 21456.

It is an arithmetic number, because the mean of its divisors is an integer number (4120410).

Almost surely, 2^72046476 is an apocalyptic number.

It is an amenable number.

72046476 is an abundant number, since it is smaller than the sum of its proper divisors (125733204).

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

72046476 is a wasteful number, since it uses less digits than its factorization.

72046476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39271 (or 39263 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 72046476 is about 8488.0195569991. The cubic root of 72046476 is about 416.1062582976.

The spelling of 72046476 in words is "seventy-two million, forty-six thousand, four hundred seventy-six".