47364021 has 20 divisors (see below), whose sum is σ = 70938912. Its totient is φ = 31493448.

The previous prime is 47363993. The next prime is 47364041. The reversal of 47364021 is 12046374.

It is not a de Polignac number, because 47364021 - 2⁶ = 47363957 is a prime.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47364041) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 59790 + ... + 60576.

Almost surely, 2^47364021 is an apocalyptic number.

It is an amenable number.

47364021 is a deficient number, since it is larger than the sum of its proper divisors (23574891).

47364021 is an equidigital number, since it uses as much as digits as its factorization.

47364021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542 (or 1533 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 47364021 is about 6882.1523522805. The cubic root of 47364021 is about 361.8119069042.

The spelling of 47364021 in words is "forty-seven million, three hundred sixty-four thousand, twenty-one".