47650813 has 16 divisors (see below), whose sum is σ = 59526144. Its totient is φ = 37198080.

The previous prime is 47650777. The next prime is 47650817. The reversal of 47650813 is 31805674.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47650813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47650817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2770 + ... + 10147.

It is an arithmetic number, because the mean of its divisors is an integer number (3720384).

Almost surely, 2^47650813 is an apocalyptic number.

It is an amenable number.

47650813 is a deficient number, since it is larger than the sum of its proper divisors (11875331).

47650813 is a wasteful number, since it uses less digits than its factorization.

47650813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12972.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 47650813 is about 6902.9568302286. The cubic root of 47650813 is about 362.5407022074.

The spelling of 47650813 in words is "forty-seven million, six hundred fifty thousand, eight hundred thirteen".