763472161 has 3 divisors (see below), whose sum is σ = 763499793. Its totient is φ = 763444530.

The previous prime is 763472137. The next prime is 763472167. The reversal of 763472161 is 161274367.

The square root of 763472161 is 27631.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 763472161 - 2²¹ = 761375009 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 763472161.

It is not an unprimeable number, because it can be changed into a prime (763472167) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 13816 + ... + 41446.

It is an arithmetic number, because the mean of its divisors is an integer number (254499931).

Almost surely, 2^763472161 is an apocalyptic number.

763472161 is the 27631-st square number.

763472161 is the 13816-th centered octagonal number.

It is an amenable number.

763472161 is a deficient number, since it is larger than the sum of its proper divisors (27632).

763472161 is an frugal number, since it uses more digits than its factorization.

763472161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55262 (or 27631 counting only the distinct ones).

The product of its digits is 42336, while the sum is 37.

The cubic root of 763472161 is about 913.9681644877.

The spelling of 763472161 in words is "seven hundred sixty-three million, four hundred seventy-two thousand, one hundred sixty-one".