749168522 has 8 divisors (see below), whose sum is σ = 1127367072. Its totient is φ = 373379500.

The previous prime is 749168509. The next prime is 749168533. The reversal of 749168522 is 225861947.

It is a happy number.

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

It is a super-2 number, since 2×749168522² = 1122506948711328968, which contains 22 as substring.

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, 601604 + ... + 602847.

It is an arithmetic number, because the mean of its divisors is an integer number (140920884).

Almost surely, 2^749168522 is an apocalyptic number.

749168522 is a deficient number, since it is larger than the sum of its proper divisors (378198550).

749168522 is a wasteful number, since it uses less digits than its factorization.

749168522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204764.

The product of its digits is 241920, while the sum is 44.

The square root of 749168522 is about 27370.9430235789. The cubic root of 749168522 is about 908.2244176415.

It can be divided in two parts, 74916 and 8522, that added together give a palindrome (83438).

The spelling of 749168522 in words is "seven hundred forty-nine million, one hundred sixty-eight thousand, five hundred twenty-two".