49972947 has 8 divisors (see below), whose sum is σ = 66692544. Its totient is φ = 33284328.

The previous prime is 49972939. The next prime is 49972957. The reversal of 49972947 is 74927994.

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

It is not a de Polignac number, because 49972947 - 2³ = 49972939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49972947.

It is not an unprimeable number, because it can be changed into a prime (49972957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3673 + ... + 10650.

It is an arithmetic number, because the mean of its divisors is an integer number (8336568).

Almost surely, 2^49972947 is an apocalyptic number.

49972947 is a deficient number, since it is larger than the sum of its proper divisors (16719597).

49972947 is a wasteful number, since it uses less digits than its factorization.

49972947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15489.

The product of its digits is 1143072, while the sum is 51.

The square root of 49972947 is about 7069.1546170670. The cubic root of 49972947 is about 368.3366951412.

The spelling of 49972947 in words is "forty-nine million, nine hundred seventy-two thousand, nine hundred forty-seven".