961562740 has 12 divisors (see below), whose sum is σ = 2019281796. Its totient is φ = 384625088.

The previous prime is 961562731. The next prime is 961562741. The reversal of 961562740 is 47265169.

It can be written as a sum of positive squares in 2 ways, for example, as 645363216 + 316199524 = 25404^2 + 17782^2 .

It is a junction number, because it is equal to n+sod(n) for n = 961562693 and 961562702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961562741) 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, 24039049 + ... + 24039088.

It is an arithmetic number, because the mean of its divisors is an integer number (168273483).

Almost surely, 2^961562740 is an apocalyptic number.

It is an amenable number.

961562740 is an abundant number, since it is smaller than the sum of its proper divisors (1057719056).

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

961562740 is a wasteful number, since it uses less digits than its factorization.

961562740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48078146 (or 48078144 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 961562740 is about 31009.0751232603. The cubic root of 961562740 is about 987.0198240197.

The spelling of 961562740 in words is "nine hundred sixty-one million, five hundred sixty-two thousand, seven hundred forty".