761245243 has 6 divisors (see below), whose sum is σ = 836740772. Its totient is φ = 692041020.

The previous prime is 761245189. The next prime is 761245259. The reversal of 761245243 is 342542167.

It is not a de Polignac number, because 761245243 - 2²⁵ = 727690811 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 761245199 and 761245208.

It is not an unprimeable number, because it can be changed into a prime (761245543) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3145521 + ... + 3145762.

Almost surely, 2^761245243 is an apocalyptic number.

761245243 is a deficient number, since it is larger than the sum of its proper divisors (75495529).

761245243 is a wasteful number, since it uses less digits than its factorization.

761245243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6291305 (or 6291294 counting only the distinct ones).

The product of its digits is 40320, while the sum is 34.

The square root of 761245243 is about 27590.6731161094. The cubic root of 761245243 is about 913.0786693716.

The spelling of 761245243 in words is "seven hundred sixty-one million, two hundred forty-five thousand, two hundred forty-three".