744740607 has 64 divisors (see below), whose sum is σ = 1173021696. Its totient is φ = 416102400.

The previous prime is 744740603. The next prime is 744740611. The reversal of 744740607 is 706047447.

It is an interprime number because it is at equal distance from previous prime (744740603) and next prime (744740611).

It is not a de Polignac number, because 744740607 - 2² = 744740603 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744740603) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4304773 + ... + 4304945.

It is an arithmetic number, because the mean of its divisors is an integer number (18328464).

Almost surely, 2^744740607 is an apocalyptic number.

744740607 is a deficient number, since it is larger than the sum of its proper divisors (428281089).

744740607 is a wasteful number, since it uses less digits than its factorization.

744740607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400.

The product of its (nonzero) digits is 131712, while the sum is 39.

The square root of 744740607 is about 27289.9360021236. The cubic root of 744740607 is about 906.4315457013.

The spelling of 744740607 in words is "seven hundred forty-four million, seven hundred forty thousand, six hundred seven".