761440465 has 4 divisors (see below), whose sum is σ = 913728564. Its totient is φ = 609152368.

The previous prime is 761440441. The next prime is 761440481. The reversal of 761440465 is 564044167.

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

It can be written as a sum of positive squares in 2 ways, for example, as 398880784 + 362559681 = 19972^2 + 19041^2 .

It is a cyclic number.

It is not a de Polignac number, because 761440465 - 2²¹ = 759343313 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76144042 + ... + 76144051.

It is an arithmetic number, because the mean of its divisors is an integer number (228432141).

Almost surely, 2^761440465 is an apocalyptic number.

It is an amenable number.

761440465 is a deficient number, since it is larger than the sum of its proper divisors (152288099).

761440465 is a wasteful number, since it uses less digits than its factorization.

761440465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152288098.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 761440465 is about 27594.2107152932. The cubic root of 761440465 is about 913.1567159714.

The spelling of 761440465 in words is "seven hundred sixty-one million, four hundred forty thousand, four hundred sixty-five".