761643042 has 8 divisors (see below), whose sum is σ = 1523286096. Its totient is φ = 253881012.

The previous prime is 761643023. The next prime is 761643073. The reversal of 761643042 is 240346167.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

761643042 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 761642994 and 761643012.

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, 63470248 + ... + 63470259.

It is an arithmetic number, because the mean of its divisors is an integer number (190410762).

Almost surely, 2^761643042 is an apocalyptic number.

761643042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

761643042 is a wasteful number, since it uses less digits than its factorization.

761643042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126940512.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 761643042 is about 27597.8811143175. The cubic root of 761643042 is about 913.2376888792.

The spelling of 761643042 in words is "seven hundred sixty-one million, six hundred forty-three thousand, forty-two".