761127440 has 20 divisors (see below), whose sum is σ = 1769621484. Its totient is φ = 304450944.

The previous prime is 761127401. The next prime is 761127449. The reversal of 761127440 is 44721167.

It can be written as a sum of positive squares in 2 ways, for example, as 466387216 + 294740224 = 21596^2 + 17168^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 761127397 and 761127406.

It is not an unprimeable number, because it can be changed into a prime (761127449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4756967 + ... + 4757126.

Almost surely, 2^761127440 is an apocalyptic number.

It is an amenable number.

761127440 is an abundant number, since it is smaller than the sum of its proper divisors (1008494044).

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

761127440 is a wasteful number, since it uses less digits than its factorization.

761127440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9514106 (or 9514100 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 761127440 is about 27588.5381997669. The cubic root of 761127440 is about 913.0315671810.

The spelling of 761127440 in words is "seven hundred sixty-one million, one hundred twenty-seven thousand, four hundred forty".