769972531 has 8 divisors (see below), whose sum is σ = 774358128. Its totient is φ = 765600000.

The previous prime is 769972529. The next prime is 769972559. The reversal of 769972531 is 135279967.

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 769972531 - 2¹ = 769972529 is a prime.

It is a super-2 number, since 2×769972531² = 1185715396989091922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (769972501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129831 + ... + 135631.

It is an arithmetic number, because the mean of its divisors is an integer number (96794766).

Almost surely, 2^769972531 is an apocalyptic number.

769972531 is a deficient number, since it is larger than the sum of its proper divisors (4385597).

769972531 is a wasteful number, since it uses less digits than its factorization.

769972531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6533.

The product of its digits is 714420, while the sum is 49.

The square root of 769972531 is about 27748.3788895856. The cubic root of 769972531 is about 916.5547461079.

The spelling of 769972531 in words is "seven hundred sixty-nine million, nine hundred seventy-two thousand, five hundred thirty-one".