47905137 has 48 divisors (see below), whose sum is σ = 85995520. Its totient is φ = 25077600.

The previous prime is 47905111. The next prime is 47905141. The reversal of 47905137 is 73150974.

It is a happy number.

It is not a de Polignac number, because 47905137 - 2⁶ = 47905073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47905147) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36462 + ... + 37752.

Almost surely, 2^47905137 is an apocalyptic number.

It is an amenable number.

47905137 is a deficient number, since it is larger than the sum of its proper divisors (38090383).

47905137 is a wasteful number, since it uses less digits than its factorization.

47905137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354 (or 1351 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 47905137 is about 6921.3536970740. The cubic root of 47905137 is about 363.1845474652.

The spelling of 47905137 in words is "forty-seven million, nine hundred five thousand, one hundred thirty-seven".