749434615 has 4 divisors (see below), whose sum is σ = 899321544. Its totient is φ = 599547688.

The previous prime is 749434603. The next prime is 749434619. The reversal of 749434615 is 516434947.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 749434615 - 2⁵ = 749434583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749434619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74943457 + ... + 74943466.

It is an arithmetic number, because the mean of its divisors is an integer number (224830386).

Almost surely, 2^749434615 is an apocalyptic number.

749434615 is a deficient number, since it is larger than the sum of its proper divisors (149886929).

749434615 is a wasteful number, since it uses less digits than its factorization.

749434615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149886928.

The product of its digits is 362880, while the sum is 43.

The square root of 749434615 is about 27375.8034585288. The cubic root of 749434615 is about 908.3319339727.

The spelling of 749434615 in words is "seven hundred forty-nine million, four hundred thirty-four thousand, six hundred fifteen".