47379815 has 12 divisors (see below), whose sum is σ = 66138696. Its totient is φ = 32488848.

The previous prime is 47379809. The next prime is 47379821. The reversal of 47379815 is 51897374.

It is an interprime number because it is at equal distance from previous prime (47379809) and next prime (47379821).

It is not a de Polignac number, because 47379815 - 2⁶ = 47379751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96449 + ... + 96938.

It is an arithmetic number, because the mean of its divisors is an integer number (5511558).

Almost surely, 2^47379815 is an apocalyptic number.

47379815 is a deficient number, since it is larger than the sum of its proper divisors (18758881).

47379815 is a wasteful number, since it uses less digits than its factorization.

47379815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193406 (or 193399 counting only the distinct ones).

The product of its digits is 211680, while the sum is 44.

The square root of 47379815 is about 6883.2997174320. The cubic root of 47379815 is about 361.8521190179.

The spelling of 47379815 in words is "forty-seven million, three hundred seventy-nine thousand, eight hundred fifteen".