5731573621 has 8 divisors (see below), whose sum is σ = 5767991424. Its totient is φ = 5695254240.

The previous prime is 5731573607. The next prime is 5731573633. The reversal of 5731573621 is 1263751375.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 5731573621 - 2⁷ = 5731573493 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 (5731573691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94036 + ... + 142498.

It is an arithmetic number, because the mean of its divisors is an integer number (720998928).

Almost surely, 2^5731573621 is an apocalyptic number.

It is an amenable number.

5731573621 is a deficient number, since it is larger than the sum of its proper divisors (36417803).

5731573621 is a wasteful number, since it uses less digits than its factorization.

5731573621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49211.

The product of its digits is 132300, while the sum is 40.

The square root of 5731573621 is about 75707.1569998504. The cubic root of 5731573621 is about 1789.6081891619.

The spelling of 5731573621 in words is "five billion, seven hundred thirty-one million, five hundred seventy-three thousand, six hundred twenty-one".