761117240 has 64 divisors (see below), whose sum is σ = 1847361600. Its totient is φ = 280553472.

The previous prime is 761117197. The next prime is 761117261. The reversal of 761117240 is 42711167.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 510416 + ... + 511904.

It is an arithmetic number, because the mean of its divisors is an integer number (28865025).

Almost surely, 2^761117240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 761117240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (923680800).

761117240 is an abundant number, since it is smaller than the sum of its proper divisors (1086244360).

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

761117240 is a wasteful number, since it uses less digits than its factorization.

761117240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2496 (or 2492 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 761117240 is about 27588.3533397700. The cubic root of 761117240 is about 913.0274885984.

The spelling of 761117240 in words is "seven hundred sixty-one million, one hundred seventeen thousand, two hundred forty".