744970987 has 8 divisors (see below), whose sum is σ = 767561696. Its totient is φ = 722509632.

The previous prime is 744970939. The next prime is 744970997. The reversal of 744970987 is 789079447.

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 744970987 - 2¹⁹ = 744446699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (744970927) 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, 20583 + ... + 43744.

It is an arithmetic number, because the mean of its divisors is an integer number (95945212).

Almost surely, 2^744970987 is an apocalyptic number.

744970987 is a deficient number, since it is larger than the sum of its proper divisors (22590709).

744970987 is a wasteful number, since it uses less digits than its factorization.

744970987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64677.

The product of its (nonzero) digits is 3556224, while the sum is 55.

The square root of 744970987 is about 27294.1566456998. The cubic root of 744970987 is about 906.5250020308.

The spelling of 744970987 in words is "seven hundred forty-four million, nine hundred seventy thousand, nine hundred eighty-seven".