749575045 has 32 divisors (see below), whose sum is σ = 945561600. Its totient is φ = 569882880.

The previous prime is 749575039. The next prime is 749575051. The reversal of 749575045 is 540575947.

It is an interprime number because it is at equal distance from previous prime (749575039) and next prime (749575051).

It is not a de Polignac number, because 749575045 - 2¹⁷ = 749443973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 749574986 and 749575004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1956924 + ... + 1957306.

It is an arithmetic number, because the mean of its divisors is an integer number (29548800).

Almost surely, 2^749575045 is an apocalyptic number.

It is an amenable number.

749575045 is a deficient number, since it is larger than the sum of its proper divisors (195986555).

749575045 is a wasteful number, since it uses less digits than its factorization.

749575045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645.

The product of its (nonzero) digits is 882000, while the sum is 46.

The square root of 749575045 is about 27378.3681946167. The cubic root of 749575045 is about 908.3886652225.

The spelling of 749575045 in words is "seven hundred forty-nine million, five hundred seventy-five thousand, forty-five".