961745906 has 16 divisors (see below), whose sum is σ = 1581681600. Its totient is φ = 434958480.

The previous prime is 961745893. The next prime is 961745951. The reversal of 961745906 is 609547169.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105461 + ... + 114216.

It is an arithmetic number, because the mean of its divisors is an integer number (98855100).

Almost surely, 2^961745906 is an apocalyptic number.

961745906 is a deficient number, since it is larger than the sum of its proper divisors (619935694).

961745906 is a wasteful number, since it uses less digits than its factorization.

961745906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219889.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 961745906 is about 31012.0284083450. The cubic root of 961745906 is about 987.0824917956.

The spelling of 961745906 in words is "nine hundred sixty-one million, seven hundred forty-five thousand, nine hundred six".