761426280 has 48 divisors (see below), whose sum is σ = 2474636580. Its totient is φ = 203046912.

The previous prime is 761426279. The next prime is 761426287. The reversal of 761426280 is 82624167.

It can be written as a sum of positive squares in 2 ways, for example, as 758121156 + 3305124 = 27534^2 + 1818^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (761426287) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1057177 + ... + 1057896.

Almost surely, 2^761426280 is an apocalyptic number.

It is an amenable number.

761426280 is an abundant number, since it is smaller than the sum of its proper divisors (1713210300).

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

761426280 is a wasteful number, since it uses less digits than its factorization.

761426280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2115090 (or 2115083 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 761426280 is about 27593.9536855450. The cubic root of 761426280 is about 913.1510454871.

The spelling of 761426280 in words is "seven hundred sixty-one million, four hundred twenty-six thousand, two hundred eighty".