744140747 has 8 divisors (see below), whose sum is σ = 850909152. Its totient is φ = 637488000.

The previous prime is 744140741. The next prime is 744140759. The reversal of 744140747 is 747041447.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 744140747 - 2¹² = 744136651 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 744140747.

It is not an unprimeable number, because it can be changed into a prime (744140741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14654 + ... + 41267.

It is an arithmetic number, because the mean of its divisors is an integer number (106363644).

Almost surely, 2^744140747 is an apocalyptic number.

744140747 is a deficient number, since it is larger than the sum of its proper divisors (106768405).

744140747 is a wasteful number, since it uses less digits than its factorization.

744140747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57829.

The product of its (nonzero) digits is 87808, while the sum is 38.

The square root of 744140747 is about 27278.9432896511. The cubic root of 744140747 is about 906.1881150480.

The spelling of 744140747 in words is "seven hundred forty-four million, one hundred forty thousand, seven hundred forty-seven".