761525140 has 12 divisors (see below), whose sum is σ = 1599202836. Its totient is φ = 304610048.

The previous prime is 761525131. The next prime is 761525173. The reversal of 761525140 is 41525167.

It can be written as a sum of positive squares in 2 ways, for example, as 573889936 + 187635204 = 23956^2 + 13698^2 .

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 3 ways as a sum of consecutive naturals, for example, 19038109 + ... + 19038148.

It is an arithmetic number, because the mean of its divisors is an integer number (133266903).

Almost surely, 2^761525140 is an apocalyptic number.

It is an amenable number.

761525140 is an abundant number, since it is smaller than the sum of its proper divisors (837677696).

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

761525140 is a wasteful number, since it uses less digits than its factorization.

761525140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38076266 (or 38076264 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 761525140 is about 27595.7449618596. The cubic root of 761525140 is about 913.1905635198.

The spelling of 761525140 in words is "seven hundred sixty-one million, five hundred twenty-five thousand, one hundred forty".