47664373 has 4 divisors (see below), whose sum is σ = 47683468. Its totient is φ = 47645280.

The previous prime is 47664367. The next prime is 47664377. The reversal of 47664373 is 37346674.

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

It can be written as a sum of positive squares in 2 ways, for example, as 29669809 + 17994564 = 5447^2 + 4242^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47664373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47664377) 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, 5118 + ... + 11023.

It is an arithmetic number, because the mean of its divisors is an integer number (11920867).

Almost surely, 2^47664373 is an apocalyptic number.

It is an amenable number.

47664373 is a deficient number, since it is larger than the sum of its proper divisors (19095).

47664373 is a wasteful number, since it uses less digits than its factorization.

47664373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19094.

The product of its digits is 254016, while the sum is 40.

The square root of 47664373 is about 6903.9389481657. The cubic root of 47664373 is about 362.5750883690.

The spelling of 47664373 in words is "forty-seven million, six hundred sixty-four thousand, three hundred seventy-three".