47994915 has 8 divisors (see below), whose sum is σ = 76791888. Its totient is φ = 25597280.

The previous prime is 47994911. The next prime is 47994917. The reversal of 47994915 is 51949974.

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

It is not a de Polignac number, because 47994915 - 2² = 47994911 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47994911) 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, 1599816 + ... + 1599845.

It is an arithmetic number, because the mean of its divisors is an integer number (9598986).

Almost surely, 2^47994915 is an apocalyptic number.

47994915 is a deficient number, since it is larger than the sum of its proper divisors (28796973).

47994915 is a wasteful number, since it uses less digits than its factorization.

47994915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3199669.

The product of its digits is 408240, while the sum is 48.

The square root of 47994915 is about 6927.8362422910. The cubic root of 47994915 is about 363.4112846990.

The spelling of 47994915 in words is "forty-seven million, nine hundred ninety-four thousand, nine hundred fifteen".