76405465 has 8 divisors (see below), whose sum is σ = 92153160. Its totient is φ = 60813312.

The previous prime is 76405423. The next prime is 76405477. The reversal of 76405465 is 56450467.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 25938649 + 50466816 = 5093^2 + 7104^2 .

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 76405465 - 2¹³ = 76397273 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37800 + ... + 39769.

It is an arithmetic number, because the mean of its divisors is an integer number (11519145).

Almost surely, 2^76405465 is an apocalyptic number.

It is an amenable number.

76405465 is a deficient number, since it is larger than the sum of its proper divisors (15747695).

76405465 is a wasteful number, since it uses less digits than its factorization.

76405465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77771.

The product of its (nonzero) digits is 100800, while the sum is 37.

The square root of 76405465 is about 8741.0219654226. The cubic root of 76405465 is about 424.3343026991.

The spelling of 76405465 in words is "seventy-six million, four hundred five thousand, four hundred sixty-five".