47580813 has 36 divisors (see below), whose sum is σ = 83442528. Its totient is φ = 26001360.

The previous prime is 47580809. The next prime is 47580817. The reversal of 47580813 is 31808574.

It is an interprime number because it is at equal distance from previous prime (47580809) and next prime (47580817).

It is not a de Polignac number, because 47580813 - 2² = 47580809 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47580817) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7798 + ... + 12488.

It is an arithmetic number, because the mean of its divisors is an integer number (2317848).

Almost surely, 2^47580813 is an apocalyptic number.

It is an amenable number.

47580813 is a deficient number, since it is larger than the sum of its proper divisors (35861715).

47580813 is a wasteful number, since it uses less digits than its factorization.

47580813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4734 (or 4724 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 47580813 is about 6897.8846757539. The cubic root of 47580813 is about 362.3630886854.

The spelling of 47580813 in words is "forty-seven million, five hundred eighty thousand, eight hundred thirteen".