47172995 has 16 divisors (see below), whose sum is σ = 58829760. Its totient is φ = 36269184.

The previous prime is 47172973. The next prime is 47172997. The reversal of 47172995 is 59927174.

It is a cyclic number.

It is not a de Polignac number, because 47172995 - 2¹² = 47168899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47172997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37517 + ... + 38753.

It is an arithmetic number, because the mean of its divisors is an integer number (3676860).

Almost surely, 2^47172995 is an apocalyptic number.

47172995 is a deficient number, since it is larger than the sum of its proper divisors (11656765).

47172995 is a wasteful number, since it uses less digits than its factorization.

47172995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1534.

The product of its digits is 158760, while the sum is 44.

The square root of 47172995 is about 6868.2599688713. The cubic root of 47172995 is about 361.3248381248.

The spelling of 47172995 in words is "forty-seven million, one hundred seventy-two thousand, nine hundred ninety-five".