749752522 has 8 divisors (see below), whose sum is σ = 1145848356. Its totient is φ = 367803072.

The previous prime is 749752481. The next prime is 749752541. The reversal of 749752522 is 225257947.

It can be written as a sum of positive squares in 2 ways, for example, as 679175721 + 70576801 = 26061^2 + 8401^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3536463 + ... + 3536674.

Almost surely, 2^749752522 is an apocalyptic number.

749752522 is a deficient number, since it is larger than the sum of its proper divisors (396095834).

749752522 is a wasteful number, since it uses less digits than its factorization.

749752522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7073192.

The product of its digits is 352800, while the sum is 43.

The square root of 749752522 is about 27381.6091930332. The cubic root of 749752522 is about 908.4603526735.

The spelling of 749752522 in words is "seven hundred forty-nine million, seven hundred fifty-two thousand, five hundred twenty-two".