745051725 has 72 divisors (see below), whose sum is σ = 1477842912. Its totient is φ = 355766400.

The previous prime is 745051711. The next prime is 745051739. The reversal of 745051725 is 527150547.

745051725 is a `hidden beast` number, since 74 + 50 + 517 + 25 = 666.

It is an interprime number because it is at equal distance from previous prime (745051711) and next prime (745051739).

It is not a de Polignac number, because 745051725 - 2⁴ = 745051709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 745051725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 163579 + ... + 168071.

It is an arithmetic number, because the mean of its divisors is an integer number (20525596).

Almost surely, 2^745051725 is an apocalyptic number.

745051725 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

745051725 is a deficient number, since it is larger than the sum of its proper divisors (732791187).

745051725 is a wasteful number, since it uses less digits than its factorization.

745051725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4587 (or 4579 counting only the distinct ones).

The product of its (nonzero) digits is 49000, while the sum is 36.

The square root of 745051725 is about 27295.6356401532. The cubic root of 745051725 is about 906.5577497811.

The spelling of 745051725 in words is "seven hundred forty-five million, fifty-one thousand, seven hundred twenty-five".