47537579 has 4 divisors (see below), whose sum is σ = 47750976. Its totient is φ = 47324184.

The previous prime is 47537561. The next prime is 47537587. The reversal of 47537579 is 97573574.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47537579 - 2⁸ = 47537323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47537509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106364 + ... + 106809.

It is an arithmetic number, because the mean of its divisors is an integer number (11937744).

Almost surely, 2^47537579 is an apocalyptic number.

47537579 is a deficient number, since it is larger than the sum of its proper divisors (213397).

47537579 is a wasteful number, since it uses less digits than its factorization.

47537579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213396.

The product of its digits is 926100, while the sum is 47.

The square root of 47537579 is about 6894.7501042460. The cubic root of 47537579 is about 362.2533024624.

The spelling of 47537579 in words is "forty-seven million, five hundred thirty-seven thousand, five hundred seventy-nine".