47739156 has 12 divisors (see below), whose sum is σ = 111391392. Its totient is φ = 15913048.

The previous prime is 47739127. The next prime is 47739187. The reversal of 47739156 is 65193774.

It is a tau number, because it is divible by the number of its divisors (12).

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, 1989120 + ... + 1989143.

It is an arithmetic number, because the mean of its divisors is an integer number (9282616).

Almost surely, 2^47739156 is an apocalyptic number.

It is an amenable number.

47739156 is an abundant number, since it is smaller than the sum of its proper divisors (63652236).

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

47739156 is a wasteful number, since it uses less digits than its factorization.

47739156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3978270 (or 3978268 counting only the distinct ones).

The product of its digits is 158760, while the sum is 42.

The square root of 47739156 is about 6909.3527916875. The cubic root of 47739156 is about 362.7646099695.

It can be divided in two parts, 47739 and 156, that added together give a triangular number (47895 = T₃₀₉).

The spelling of 47739156 in words is "forty-seven million, seven hundred thirty-nine thousand, one hundred fifty-six".