47321901 has 40 divisors (see below), whose sum is σ = 77815584. Its totient is φ = 28421280.

The previous prime is 47321891. The next prime is 47321921. The reversal of 47321901 is 10912374.

47321901 is a `hidden beast` number, since 473 + 2 + 190 + 1 = 666.

It is not a de Polignac number, because 47321901 - 2¹⁵ = 47289133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47321921) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 153990 + ... + 154296.

Almost surely, 2^47321901 is an apocalyptic number.

It is an amenable number.

47321901 is a deficient number, since it is larger than the sum of its proper divisors (30493683).

47321901 is a wasteful number, since it uses less digits than its factorization.

47321901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503 (or 494 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 47321901 is about 6879.0915824693. The cubic root of 47321901 is about 361.7046240845.

The spelling of 47321901 in words is "forty-seven million, three hundred twenty-one thousand, nine hundred one".