47686902 has 16 divisors (see below), whose sum is σ = 95573952. Its totient is φ = 15862280.

The previous prime is 47686883. The next prime is 47686939. The reversal of 47686902 is 20968674.

It is a Smith number, since the sum of its digits (42) 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 7 ways as a sum of consecutive naturals, for example, 5148 + ... + 11039.

It is an arithmetic number, because the mean of its divisors is an integer number (5973372).

Almost surely, 2^47686902 is an apocalyptic number.

47686902 is an abundant number, since it is smaller than the sum of its proper divisors (47887050).

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

47686902 is a wasteful number, since it uses less digits than its factorization.

47686902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16683.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 47686902 is about 6905.5703602237. The cubic root of 47686902 is about 362.6322041771.

It can be divided in two parts, 476 and 86902, that added together give a palindrome (87378).

The spelling of 47686902 in words is "forty-seven million, six hundred eighty-six thousand, nine hundred two".