47139592 has 32 divisors (see below), whose sum is σ = 92632320. Its totient is φ = 22461120.

The previous prime is 47139563. The next prime is 47139607. The reversal of 47139592 is 29593174.

It is a super-2 number, since 2×47139592² = 4444282267852928, which contains 22 as substring.

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, 15198 + ... + 18034.

It is an arithmetic number, because the mean of its divisors is an integer number (2894760).

Almost surely, 2^47139592 is an apocalyptic number.

It is an amenable number.

47139592 is a deficient number, since it is larger than the sum of its proper divisors (45492728).

47139592 is a wasteful number, since it uses less digits than its factorization.

47139592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2941 (or 2937 counting only the distinct ones).

The product of its digits is 68040, while the sum is 40.

The square root of 47139592 is about 6865.8278452056. The cubic root of 47139592 is about 361.2395337860.

The spelling of 47139592 in words is "forty-seven million, one hundred thirty-nine thousand, five hundred ninety-two".