749715 has 16 divisors (see below), whose sum is σ = 1211136. Its totient is φ = 396000.

The previous prime is 749711. The next prime is 749729. The reversal of 749715 is 517947.

749715 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 749715 - 2² = 749711 is a prime.

Its product of digits (8820) is a multiple of the sum of its prime divisors (490).

It is a nialpdrome in base 15.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 749715.

It is not an unprimeable number, because it can be changed into a prime (749711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2100 + ... + 2430.

It is an arithmetic number, because the mean of its divisors is an integer number (75696).

2⁷⁴⁹⁷¹⁵ is an apocalyptic number.

749715 is a deficient number, since it is larger than the sum of its proper divisors (461421).

749715 is a wasteful number, since it uses less digits than its factorization.

749715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490.

The product of its digits is 8820, while the sum is 33.

The square root of 749715 is about 865.8608433230. The cubic root of 749715 is about 90.8445197531.

It can be divided in two parts, 749 and 715, that multiplied together give a palindrome (535535).

The spelling of 749715 in words is "seven hundred forty-nine thousand, seven hundred fifteen".