72685046 has 32 divisors (see below), whose sum is σ = 128701440. Its totient is φ = 30139200.

The previous prime is 72685033. The next prime is 72685061. The reversal of 72685046 is 64058627.

It is a happy number.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79331 + ... + 80241.

It is an arithmetic number, because the mean of its divisors is an integer number (4021920).

Almost surely, 2^72685046 is an apocalyptic number.

72685046 is a deficient number, since it is larger than the sum of its proper divisors (56016394).

72685046 is a wasteful number, since it uses less digits than its factorization.

72685046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 72685046 is about 8525.5525334139. The cubic root of 72685046 is about 417.3320031181.

The spelling of 72685046 in words is "seventy-two million, six hundred eighty-five thousand, forty-six".