5970731721 has 16 divisors (see below), whose sum is σ = 8431008768. Its totient is φ = 3745568000.

The previous prime is 5970731693. The next prime is 5970731731. The reversal of 5970731721 is 1271370795.

It is a cyclic number.

It is not a de Polignac number, because 5970731721 - 2⁷ = 5970731593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5970731731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 333016 + ... + 350486.

It is an arithmetic number, because the mean of its divisors is an integer number (526938048).

Almost surely, 2^5970731721 is an apocalyptic number.

5970731721 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

5970731721 is a deficient number, since it is larger than the sum of its proper divisors (2460277047).

5970731721 is a wasteful number, since it uses less digits than its factorization.

5970731721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24192.

The product of its (nonzero) digits is 92610, while the sum is 42.

The square root of 5970731721 is about 77270.5100345533. The cubic root of 5970731721 is about 1814.1611091873.

The spelling of 5970731721 in words is "five billion, nine hundred seventy million, seven hundred thirty-one thousand, seven hundred twenty-one".