744695961 has 4 divisors (see below), whose sum is σ = 992927952. Its totient is φ = 496463972.

The previous prime is 744695953. The next prime is 744695971. The reversal of 744695961 is 169596447.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 744695961 - 2³ = 744695953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (744695921) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 124115991 + ... + 124115996.

It is an arithmetic number, because the mean of its divisors is an integer number (248231988).

Almost surely, 2^744695961 is an apocalyptic number.

It is an amenable number.

744695961 is a deficient number, since it is larger than the sum of its proper divisors (248231991).

744695961 is a wasteful number, since it uses less digits than its factorization.

744695961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248231990.

The product of its digits is 1632960, while the sum is 51.

The square root of 744695961 is about 27289.1179960071. The cubic root of 744695961 is about 906.4134323022.

The spelling of 744695961 in words is "seven hundred forty-four million, six hundred ninety-five thousand, nine hundred sixty-one".