749015385 has 8 divisors (see below), whose sum is σ = 1198424640. Its totient is φ = 399474864.

The previous prime is 749015381. The next prime is 749015389. The reversal of 749015385 is 583510947.

It is an interprime number because it is at equal distance from previous prime (749015381) and next prime (749015389).

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

It is not a de Polignac number, because 749015385 - 2² = 749015381 is a prime.

It is a super-2 number, since 2×749015385² = 1122048093933396450, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (749015381) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 24967165 + ... + 24967194.

It is an arithmetic number, because the mean of its divisors is an integer number (149803080).

Almost surely, 2^749015385 is an apocalyptic number.

It is an amenable number.

749015385 is a deficient number, since it is larger than the sum of its proper divisors (449409255).

749015385 is a wasteful number, since it uses less digits than its factorization.

749015385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49934367.

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 749015385 is about 27368.1454431973. The cubic root of 749015385 is about 908.1625302574.

The spelling of 749015385 in words is "seven hundred forty-nine million, fifteen thousand, three hundred eighty-five".