768472531 has 4 divisors (see below), whose sum is σ = 768894064. Its totient is φ = 768051000.

The previous prime is 768472517. The next prime is 768472559. The reversal of 768472531 is 135274867.

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

It is a cyclic number.

It is not a de Polignac number, because 768472531 - 2¹⁷ = 768341459 is a prime.

It is a super-2 number, since 2×768472531² = 1181100061803091922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (768472501) 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, 208020 + ... + 211681.

It is an arithmetic number, because the mean of its divisors is an integer number (192223516).

Almost surely, 2^768472531 is an apocalyptic number.

768472531 is a deficient number, since it is larger than the sum of its proper divisors (421533).

768472531 is a wasteful number, since it uses less digits than its factorization.

768472531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421532.

The product of its digits is 282240, while the sum is 43.

The square root of 768472531 is about 27721.3371070012. The cubic root of 768472531 is about 915.9591725381.

The spelling of 768472531 in words is "seven hundred sixty-eight million, four hundred seventy-two thousand, five hundred thirty-one".