749917885 has 8 divisors (see below), whose sum is σ = 900461016. Its totient is φ = 599561280.

The previous prime is 749917871. The next prime is 749917919. The reversal of 749917885 is 588719947.

It can be written as a sum of positive squares in 4 ways, for example, as 8608356 + 741309529 = 2934^2 + 27227^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-749917885 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37626 + ... + 53995.

It is an arithmetic number, because the mean of its divisors is an integer number (112557627).

Almost surely, 2^749917885 is an apocalyptic number.

It is an amenable number.

749917885 is a deficient number, since it is larger than the sum of its proper divisors (150543131).

749917885 is a wasteful number, since it uses less digits than its factorization.

749917885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93263.

The product of its digits is 5080320, while the sum is 58.

The square root of 749917885 is about 27384.6286262933. The cubic root of 749917885 is about 908.5271367931.

The spelling of 749917885 in words is "seven hundred forty-nine million, nine hundred seventeen thousand, eight hundred eighty-five".