745898751 has 48 divisors (see below), whose sum is σ = 1225791840. Its totient is φ = 433278720.

The previous prime is 745898737. The next prime is 745898753. The reversal of 745898751 is 157898547.

745898751 is a `hidden beast` number, since 7 + 4 + 589 + 8 + 7 + 51 = 666.

It is not a de Polignac number, because 745898751 - 2⁷ = 745898623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745898753) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 935485 + ... + 936281.

It is an arithmetic number, because the mean of its divisors is an integer number (25537330).

Almost surely, 2^745898751 is an apocalyptic number.

745898751 is a deficient number, since it is larger than the sum of its proper divisors (479893089).

745898751 is a wasteful number, since it uses less digits than its factorization.

745898751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256 (or 1253 counting only the distinct ones).

The product of its digits is 2822400, while the sum is 54.

The square root of 745898751 is about 27311.1470099665. The cubic root of 745898751 is about 906.9011653903.

The spelling of 745898751 in words is "seven hundred forty-five million, eight hundred ninety-eight thousand, seven hundred fifty-one".