47702938 has 8 divisors (see below), whose sum is σ = 71657460. Its totient is φ = 23817120.

The previous prime is 47702933. The next prime is 47702987. The reversal of 47702938 is 83920774.

It can be written as a sum of positive squares in 2 ways, for example, as 47651409 + 51529 = 6903^2 + 227^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 47702938.

It is not an unprimeable number, because it can be changed into a prime (47702933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15403 + ... + 18238.

Almost surely, 2^47702938 is an apocalyptic number.

47702938 is a deficient number, since it is larger than the sum of its proper divisors (23954522).

47702938 is a wasteful number, since it uses less digits than its factorization.

47702938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34352.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 47702938 is about 6906.7313542659. The cubic root of 47702938 is about 362.6728478903.

The spelling of 47702938 in words is "forty-seven million, seven hundred two thousand, nine hundred thirty-eight".