761312405 has 16 divisors (see below), whose sum is σ = 1063787904. Its totient is φ = 512191680.

The previous prime is 761312359. The next prime is 761312423. The reversal of 761312405 is 504213167.

It is not a de Polignac number, because 761312405 - 2¹² = 761308309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203351 + ... + 207060.

It is an arithmetic number, because the mean of its divisors is an integer number (66486744).

Almost surely, 2^761312405 is an apocalyptic number.

It is an amenable number.

761312405 is a deficient number, since it is larger than the sum of its proper divisors (302475499).

761312405 is a wasteful number, since it uses less digits than its factorization.

761312405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410476.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 761312405 is about 27591.8902034638. The cubic root of 761312405 is about 913.1055211590.

The spelling of 761312405 in words is "seven hundred sixty-one million, three hundred twelve thousand, four hundred five".