749015398 has 8 divisors (see below), whose sum is σ = 1144721808. Its totient is φ = 367441464.

The previous prime is 749015389. The next prime is 749015413. The reversal of 749015398 is 893510947.

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 2×749015398² = 1122048132882196808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3532986 + ... + 3533197.

It is an arithmetic number, because the mean of its divisors is an integer number (143090226).

Almost surely, 2^749015398 is an apocalyptic number.

749015398 is a deficient number, since it is larger than the sum of its proper divisors (395706410).

749015398 is a wasteful number, since it uses less digits than its factorization.

749015398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7066238.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 749015398 is about 27368.1456806997. The cubic root of 749015398 is about 908.1625355114.

The spelling of 749015398 in words is "seven hundred forty-nine million, fifteen thousand, three hundred ninety-eight".