744676761 has 16 divisors (see below), whose sum is σ = 1060277760. Its totient is φ = 463868160.

The previous prime is 744676759. The next prime is 744676769. The reversal of 744676761 is 167676447.

It is not a de Polignac number, because 744676761 - 2¹ = 744676759 is a prime.

It is a super-2 number, since 2×744676761² = 1109086956746902242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 744676761.

It is not an unprimeable number, because it can be changed into a prime (744676769) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135360 + ... + 140753.

It is an arithmetic number, because the mean of its divisors is an integer number (66267360).

Almost surely, 2^744676761 is an apocalyptic number.

It is an amenable number.

744676761 is a deficient number, since it is larger than the sum of its proper divisors (315600999).

744676761 is a wasteful number, since it uses less digits than its factorization.

744676761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276176.

The product of its digits is 1185408, while the sum is 48.

The square root of 744676761 is about 27288.7662051622. The cubic root of 744676761 is about 906.4056424173.

The spelling of 744676761 in words is "seven hundred forty-four million, six hundred seventy-six thousand, seven hundred sixty-one".