47664790 has 16 divisors (see below), whose sum is σ = 87204240. Its totient is φ = 18753120.

The previous prime is 47664781. The next prime is 47664803. The reversal of 47664790 is 9746674.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38460 + ... + 39679.

It is an arithmetic number, because the mean of its divisors is an integer number (5450265).

Almost surely, 2^47664790 is an apocalyptic number.

47664790 is a deficient number, since it is larger than the sum of its proper divisors (39539450).

47664790 is a wasteful number, since it uses less digits than its factorization.

47664790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78207.

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 47664790 is about 6903.9691482509. The cubic root of 47664790 is about 362.5761457162.

The spelling of 47664790 in words is "forty-seven million, six hundred sixty-four thousand, seven hundred ninety".