47972758 has 8 divisors (see below), whose sum is σ = 75746520. Its totient is φ = 22723920.

The previous prime is 47972711. The next prime is 47972761. The reversal of 47972758 is 85727974.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 631183 + ... + 631258.

It is an arithmetic number, because the mean of its divisors is an integer number (9468315).

Almost surely, 2^47972758 is an apocalyptic number.

47972758 is a deficient number, since it is larger than the sum of its proper divisors (27773762).

47972758 is a wasteful number, since it uses less digits than its factorization.

47972758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262462.

The product of its digits is 987840, while the sum is 49.

The square root of 47972758 is about 6926.2369292423. The cubic root of 47972758 is about 363.3553527790.

It can be divided in two parts, 479 and 72758, that added together give a palindrome (73237).

The spelling of 47972758 in words is "forty-seven million, nine hundred seventy-two thousand, seven hundred fifty-eight".