961772732 has 6 divisors (see below), whose sum is σ = 1683102288. Its totient is φ = 480886364.

The previous prime is 961772729. The next prime is 961772741. The reversal of 961772732 is 237277169.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120221588 + ... + 120221595.

It is an arithmetic number, because the mean of its divisors is an integer number (280517048).

Almost surely, 2^961772732 is an apocalyptic number.

It is an amenable number.

961772732 is a deficient number, since it is larger than the sum of its proper divisors (721329556).

961772732 is a wasteful number, since it uses less digits than its factorization.

961772732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240443187 (or 240443185 counting only the distinct ones).

The product of its digits is 222264, while the sum is 44.

The square root of 961772732 is about 31012.4609149290. The cubic root of 961772732 is about 987.0916692816.

The spelling of 961772732 in words is "nine hundred sixty-one million, seven hundred seventy-two thousand, seven hundred thirty-two".