47137995 has 12 divisors (see below), whose sum is σ = 81705936. Its totient is φ = 25140240.

The previous prime is 47137973. The next prime is 47137999. The reversal of 47137995 is 59973174.

47137995 = 276² + 277² + ... + 545².

It is not a de Polignac number, because 47137995 - 2⁶ = 47137931 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1047511 = 47137995 / (4 + 7 + 1 + 3 + 7 + 9 + 9 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 47137995.

It is not an unprimeable number, because it can be changed into a prime (47137999) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 523711 + ... + 523800.

It is an arithmetic number, because the mean of its divisors is an integer number (6808828).

Almost surely, 2^47137995 is an apocalyptic number.

47137995 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

47137995 is a deficient number, since it is larger than the sum of its proper divisors (34567941).

47137995 is a wasteful number, since it uses less digits than its factorization.

47137995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047522 (or 1047519 counting only the distinct ones).

The product of its digits is 238140, while the sum is 45.

The square root of 47137995 is about 6865.7115436057. The cubic root of 47137995 is about 361.2354543698.

The spelling of 47137995 in words is "forty-seven million, one hundred thirty-seven thousand, nine hundred ninety-five".