47392917 has 40 divisors (see below), whose sum is σ = 75757920. Its totient is φ = 26194080.

The previous prime is 47392907. The next prime is 47392927. The reversal of 47392917 is 71929374.

It is an interprime number because it is at equal distance from previous prime (47392907) and next prime (47392927).

It is not a de Polignac number, because 47392917 - 2⁷ = 47392789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47392907) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 570958 + ... + 571040.

It is an arithmetic number, because the mean of its divisors is an integer number (1893948).

Almost surely, 2^47392917 is an apocalyptic number.

It is an amenable number.

47392917 is a deficient number, since it is larger than the sum of its proper divisors (28365003).

47392917 is an equidigital number, since it uses as much as digits as its factorization.

47392917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 110 counting only the distinct ones).

The product of its digits is 95256, while the sum is 42.

The square root of 47392917 is about 6884.2513754220. The cubic root of 47392917 is about 361.8854704181.

The spelling of 47392917 in words is "forty-seven million, three hundred ninety-two thousand, nine hundred seventeen".