72047635 has 12 divisors (see below), whose sum is σ = 95032224. Its totient is φ = 52397840.

The previous prime is 72047603. The next prime is 72047671. The reversal of 72047635 is 53674027.

It is a happy number.

It is not a de Polignac number, because 72047635 - 2⁵ = 72047603 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72047635.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58939 + ... + 60148.

It is an arithmetic number, because the mean of its divisors is an integer number (7919352).

Almost surely, 2^72047635 is an apocalyptic number.

72047635 is a deficient number, since it is larger than the sum of its proper divisors (22984589).

72047635 is a wasteful number, since it uses less digits than its factorization.

72047635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119114 (or 119103 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 72047635 is about 8488.0878294231. The cubic root of 72047635 is about 416.1084895637.

The spelling of 72047635 in words is "seventy-two million, forty-seven thousand, six hundred thirty-five".