47621530 has 16 divisors (see below), whose sum is σ = 93511584. Its totient is φ = 17316880.

The previous prime is 47621521. The next prime is 47621551. The reversal of 47621530 is 3512674.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216352 + ... + 216571.

It is an arithmetic number, because the mean of its divisors is an integer number (5844474).

Almost surely, 2^47621530 is an apocalyptic number.

47621530 is a deficient number, since it is larger than the sum of its proper divisors (45890054).

47621530 is a wasteful number, since it uses less digits than its factorization.

47621530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432941.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 47621530 is about 6900.8354566675. The cubic root of 47621530 is about 362.4664225736.

The spelling of 47621530 in words is "forty-seven million, six hundred twenty-one thousand, five hundred thirty".