47706738 has 16 divisors (see below), whose sum is σ = 99562176. Its totient is φ = 15210800.

The previous prime is 47706721. The next prime is 47706749. The reversal of 47706738 is 83760774.

It is a self number, because there is not a number n which added to its sum of digits gives 47706738.

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, 172713 + ... + 172988.

It is an arithmetic number, because the mean of its divisors is an integer number (6222636).

Almost surely, 2^47706738 is an apocalyptic number.

47706738 is an abundant number, since it is smaller than the sum of its proper divisors (51855438).

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

47706738 is a wasteful number, since it uses less digits than its factorization.

47706738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345729.

The product of its (nonzero) digits is 197568, while the sum is 42.

The square root of 47706738 is about 6907.0064427362. The cubic root of 47706738 is about 362.6824777670.

The spelling of 47706738 in words is "forty-seven million, seven hundred six thousand, seven hundred thirty-eight".