745537257250 has 256 divisors, whose sum is σ = 1500178268160. Its totient is φ = 277089120000.

The previous prime is 745537257221. The next prime is 745537257251. The reversal of 745537257250 is 52752735547.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (745537257251) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3119402631 + ... + 3119402869.

It is an arithmetic number, because the mean of its divisors is an integer number (5860071360).

Almost surely, 2^745537257250 is an apocalyptic number.

745537257250 is an abundant number, since it is smaller than the sum of its proper divisors (754641010910).

745537257250 is a wasteful number, since it uses less digits than its factorization.

745537257250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498 (or 488 counting only the distinct ones).

The product of its (nonzero) digits is 10290000, while the sum is 52.

The spelling of 745537257250 in words is "seven hundred forty-five billion, five hundred thirty-seven million, two hundred fifty-seven thousand, two hundred fifty".