47507631 has 8 divisors (see below), whose sum is σ = 63448320. Its totient is φ = 31619352.

The previous prime is 47507611. The next prime is 47507633. The reversal of 47507631 is 13670574.

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

It is not a de Polignac number, because 47507631 - 2⁵ = 47507599 is a prime.

It is a super-2 number, since 2×47507631² = 4513950006464322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47507592 and 47507601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47507633) 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, 10935 + ... + 14648.

It is an arithmetic number, because the mean of its divisors is an integer number (7931040).

Almost surely, 2^47507631 is an apocalyptic number.

47507631 is a deficient number, since it is larger than the sum of its proper divisors (15940689).

47507631 is a wasteful number, since it uses less digits than its factorization.

47507631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26205.

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 47507631 is about 6892.5779647386. The cubic root of 47507631 is about 362.1772150027.

The spelling of 47507631 in words is "forty-seven million, five hundred seven thousand, six hundred thirty-one".