47638974 has 8 divisors (see below), whose sum is σ = 95277960. Its totient is φ = 15879656.

The previous prime is 47638961. The next prime is 47638979. The reversal of 47638974 is 47983674.

It is a happy number.

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

47638974 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47638979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3969909 + ... + 3969920.

It is an arithmetic number, because the mean of its divisors is an integer number (11909745).

Almost surely, 2^47638974 is an apocalyptic number.

47638974 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

47638974 is a wasteful number, since it uses less digits than its factorization.

47638974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7939834.

The product of its digits is 1016064, while the sum is 48.

The square root of 47638974 is about 6902.0992458816. The cubic root of 47638974 is about 362.5106749135.

The spelling of 47638974 in words is "forty-seven million, six hundred thirty-eight thousand, nine hundred seventy-four".