745707550 has 48 divisors (see below), whose sum is σ = 1678419360. Its totient is φ = 240629760.

The previous prime is 745707539. The next prime is 745707553. The reversal of 745707550 is 55707547.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745707553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56715 + ... + 68614.

It is an arithmetic number, because the mean of its divisors is an integer number (34967070).

Almost surely, 2^745707550 is an apocalyptic number.

745707550 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

745707550 is an abundant number, since it is smaller than the sum of its proper divisors (932711810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

745707550 is a wasteful number, since it uses less digits than its factorization.

745707550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125365 (or 125360 counting only the distinct ones).

The product of its (nonzero) digits is 171500, while the sum is 40.

The square root of 745707550 is about 27307.6463650751. The cubic root of 745707550 is about 906.8236681751.

The spelling of 745707550 in words is "seven hundred forty-five million, seven hundred seven thousand, five hundred fifty".