961673280 has 56 divisors (see below), whose sum is σ = 3053315712. Its totient is φ = 256445952.

The previous prime is 961673233. The next prime is 961673303. The reversal of 961673280 is 82376169.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 499912 + ... + 501831.

Almost surely, 2^961673280 is an apocalyptic number.

It is an amenable number.

961673280 is an abundant number, since it is smaller than the sum of its proper divisors (2091642432).

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

961673280 is a wasteful number, since it uses less digits than its factorization.

961673280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001763 (or 1001753 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 961673280 is about 31010.8574534791. The cubic root of 961673280 is about 987.0576447415.

The spelling of 961673280 in words is "nine hundred sixty-one million, six hundred seventy-three thousand, two hundred eighty".