749299858 has 8 divisors (see below), whose sum is σ = 1124068428. Its totient is φ = 374610384.

The previous prime is 749299843. The next prime is 749299867. The reversal of 749299858 is 858992947.

It can be written as a sum of positive squares in 2 ways, for example, as 713263849 + 36036009 = 26707^2 + 6003^2 .

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

It is a super-2 number, since 2×749299858² = 1122900554397640328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 749299796 and 749299805.

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, 19560 + ... + 43372.

Almost surely, 2^749299858 is an apocalyptic number.

749299858 is a deficient number, since it is larger than the sum of its proper divisors (374768570).

749299858 is a wasteful number, since it uses less digits than its factorization.

749299858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39548.

The product of its digits is 13063680, while the sum is 61.

The square root of 749299858 is about 27373.3421050481. The cubic root of 749299858 is about 908.2774878515.

The spelling of 749299858 in words is "seven hundred forty-nine million, two hundred ninety-nine thousand, eight hundred fifty-eight".