961637752 has 16 divisors (see below), whose sum is σ = 1803403440. Its totient is φ = 480730176.

The previous prime is 961637749. The next prime is 961637753. The reversal of 961637752 is 257736169.

It is a super-2 number, since 2×961637752² = 1849494332143227008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961637753) 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, 69093 + ... + 81835.

It is an arithmetic number, because the mean of its divisors is an integer number (112712715).

Almost surely, 2^961637752 is an apocalyptic number.

It is an amenable number.

961637752 is a deficient number, since it is larger than the sum of its proper divisors (841765688).

961637752 is a wasteful number, since it uses less digits than its factorization.

961637752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22182 (or 22178 counting only the distinct ones).

The product of its digits is 476280, while the sum is 46.

The square root of 961637752 is about 31010.2846165591. The cubic root of 961637752 is about 987.0454893257.

The spelling of 961637752 in words is "nine hundred sixty-one million, six hundred thirty-seven thousand, seven hundred fifty-two".