47979974 has 8 divisors (see below), whose sum is σ = 82251408. Its totient is φ = 20562840.

The previous prime is 47979961. The next prime is 47980019. The reversal of 47979974 is 47997974.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1713557 + ... + 1713584.

It is an arithmetic number, because the mean of its divisors is an integer number (10281426).

Almost surely, 2^47979974 is an apocalyptic number.

47979974 is a deficient number, since it is larger than the sum of its proper divisors (34271434).

47979974 is a wasteful number, since it uses less digits than its factorization.

47979974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3427150.

The product of its digits is 4000752, while the sum is 56.

The square root of 47979974 is about 6926.7578274399. The cubic root of 47979974 is about 363.3735703458.

The spelling of 47979974 in words is "forty-seven million, nine hundred seventy-nine thousand, nine hundred seventy-four".