47399775 has 96 divisors (see below), whose sum is σ = 90470400. Its totient is φ = 21772800.

The previous prime is 47399767. The next prime is 47399783. The reversal of 47399775 is 57799374.

It is an interprime number because it is at equal distance from previous prime (47399767) and next prime (47399783).

It is not a de Polignac number, because 47399775 - 2³ = 47399767 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1281057 + ... + 1281093.

It is an arithmetic number, because the mean of its divisors is an integer number (942400).

Almost surely, 2^47399775 is an apocalyptic number.

47399775 is a deficient number, since it is larger than the sum of its proper divisors (43070625).

47399775 is a wasteful number, since it uses less digits than its factorization.

47399775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 124 counting only the distinct ones).

The product of its digits is 1666980, while the sum is 51.

The square root of 47399775 is about 6884.7494507789. The cubic root of 47399775 is about 361.9029251421.

The spelling of 47399775 in words is "forty-seven million, three hundred ninety-nine thousand, seven hundred seventy-five".