47401690 has 16 divisors (see below), whose sum is σ = 97512192. Its totient is φ = 16251984.

The previous prime is 47401681. The next prime is 47401691. The reversal of 47401690 is 9610474.

It is a super-2 number, since 2×47401690² = 4493840429712200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47401691) 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, 338514 + ... + 338653.

It is an arithmetic number, because the mean of its divisors is an integer number (6094512).

Almost surely, 2^47401690 is an apocalyptic number.

47401690 is an abundant number, since it is smaller than the sum of its proper divisors (50110502).

47401690 is a wasteful number, since it uses less digits than its factorization.

47401690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677181.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 47401690 is about 6884.8885248782. Note that the first 3 decimals coincide. The cubic root of 47401690 is about 361.9077988275.

The spelling of 47401690 in words is "forty-seven million, four hundred one thousand, six hundred ninety".