744770561630 has 16 divisors (see below), whose sum is σ = 1341902620080. Its totient is φ = 297615867072.

The previous prime is 744770561597. The next prime is 744770561713. The reversal of 744770561630 is 36165077447.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36533999 + ... + 36554378.

It is an arithmetic number, because the mean of its divisors is an integer number (83868913755).

Almost surely, 2^744770561630 is an apocalyptic number.

744770561630 is a deficient number, since it is larger than the sum of its proper divisors (597132058450).

744770561630 is a wasteful number, since it uses less digits than its factorization.

744770561630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73089403.

The product of its (nonzero) digits is 2963520, while the sum is 50.

The spelling of 744770561630 in words is "seven hundred forty-four billion, seven hundred seventy million, five hundred sixty-one thousand, six hundred thirty".