47172497 has 8 divisors (see below), whose sum is σ = 49740960. Its totient is φ = 44612640.

The previous prime is 47172493. The next prime is 47172511. The reversal of 47172497 is 79427174.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47172497 - 2² = 47172493 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47172493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11333 + ... + 14925.

It is an arithmetic number, because the mean of its divisors is an integer number (6217620).

Almost surely, 2^47172497 is an apocalyptic number.

It is an amenable number.

47172497 is a deficient number, since it is larger than the sum of its proper divisors (2568463).

47172497 is a wasteful number, since it uses less digits than its factorization.

47172497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4303.

The product of its digits is 98784, while the sum is 41.

The square root of 47172497 is about 6868.2237150518. The cubic root of 47172497 is about 361.3235666317.

The spelling of 47172497 in words is "forty-seven million, one hundred seventy-two thousand, four hundred ninety-seven".