47390651 has 16 divisors (see below), whose sum is σ = 59900928. Its totient is φ = 36417600.

The previous prime is 47390647. The next prime is 47390657. The reversal of 47390651 is 15609374.

It is a cyclic number.

It is not a de Polignac number, because 47390651 - 2² = 47390647 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47390657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1406 + ... + 9836.

It is an arithmetic number, because the mean of its divisors is an integer number (3743808).

Almost surely, 2^47390651 is an apocalyptic number.

47390651 is the 5621-st pentagonal number.

47390651 is a deficient number, since it is larger than the sum of its proper divisors (12510277).

47390651 is a wasteful number, since it uses less digits than its factorization.

47390651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8522.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 47390651 is about 6884.0867949206. The cubic root of 47390651 is about 361.8797027099.

The spelling of 47390651 in words is "forty-seven million, three hundred ninety thousand, six hundred fifty-one".