761265813 has 72 divisors (see below), whose sum is σ = 1311937536. Its totient is φ = 391184640.

The previous prime is 761265809. The next prime is 761265877. The reversal of 761265813 is 318562167.

It is not a de Polignac number, because 761265813 - 2² = 761265809 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (761265803) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2258781 + ... + 2259117.

Almost surely, 2^761265813 is an apocalyptic number.

It is an amenable number.

761265813 is a deficient number, since it is larger than the sum of its proper divisors (550671723).

761265813 is a wasteful number, since it uses less digits than its factorization.

761265813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503 (or 485 counting only the distinct ones).

The product of its digits is 60480, while the sum is 39.

The square root of 761265813 is about 27591.0458844894. The cubic root of 761265813 is about 913.0868935539.

The spelling of 761265813 in words is "seven hundred sixty-one million, two hundred sixty-five thousand, eight hundred thirteen".