47640058 has 8 divisors (see below), whose sum is σ = 71502228. Its totient is φ = 23805984.

The previous prime is 47640037. The next prime is 47640059. The reversal of 47640058 is 85004674.

It can be written as a sum of positive squares in 2 ways, for example, as 37736449 + 9903609 = 6143^2 + 3147^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (47640059) 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, 2091 + ... + 9982.

Almost surely, 2^47640058 is an apocalyptic number.

47640058 is a deficient number, since it is larger than the sum of its proper divisors (23862170).

47640058 is a wasteful number, since it uses less digits than its factorization.

47640058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14048.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 47640058 is about 6902.1777722687. The cubic root of 47640058 is about 362.5134244731.

The spelling of 47640058 in words is "forty-seven million, six hundred forty thousand, fifty-eight".