47789492 has 24 divisors (see below), whose sum is σ = 88581696. Its totient is φ = 22511808.

The previous prime is 47789479. The next prime is 47789509. The reversal of 47789492 is 29498774.

It is a self number, because there is not a number n which added to its sum of digits gives 47789492.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2288 + ... + 10040.

It is an arithmetic number, because the mean of its divisors is an integer number (3690904).

Almost surely, 2^47789492 is an apocalyptic number.

It is an amenable number.

47789492 is a deficient number, since it is larger than the sum of its proper divisors (40792204).

47789492 is a wasteful number, since it uses less digits than its factorization.

47789492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7847 (or 7845 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 50.

The square root of 47789492 is about 6912.9944307803. The cubic root of 47789492 is about 362.8920644317.

The spelling of 47789492 in words is "forty-seven million, seven hundred eighty-nine thousand, four hundred ninety-two".