47404873 has 4 divisors (see below), whose sum is σ = 47537280. Its totient is φ = 47272468.

The previous prime is 47404849. The next prime is 47404883. The reversal of 47404873 is 37840474.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47404873 is a prime.

It is a super-2 number, since 2×47404873² = 4494443968292258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47404883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65665 + ... + 66382.

It is an arithmetic number, because the mean of its divisors is an integer number (11884320).

Almost surely, 2^47404873 is an apocalyptic number.

It is an amenable number.

47404873 is a deficient number, since it is larger than the sum of its proper divisors (132407).

47404873 is a wasteful number, since it uses less digits than its factorization.

47404873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132406.

The product of its (nonzero) digits is 75264, while the sum is 37.

The square root of 47404873 is about 6885.1196794246. The cubic root of 47404873 is about 361.9158992893.

The spelling of 47404873 in words is "forty-seven million, four hundred four thousand, eight hundred seventy-three".