745170055 has 32 divisors (see below), whose sum is σ = 1033095168. Its totient is φ = 505440000.

The previous prime is 745170029. The next prime is 745170067. The reversal of 745170055 is 550071547.

It is a happy number.

It is not a de Polignac number, because 745170055 - 2¹³ = 745161863 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 745170055.

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, 2380579 + ... + 2380891.

It is an arithmetic number, because the mean of its divisors is an integer number (32284224).

Almost surely, 2^745170055 is an apocalyptic number.

745170055 is a deficient number, since it is larger than the sum of its proper divisors (287925113).

745170055 is a wasteful number, since it uses less digits than its factorization.

745170055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847.

The product of its (nonzero) digits is 24500, while the sum is 34.

The square root of 745170055 is about 27297.8031167345. The cubic root of 745170055 is about 906.6057407668.

The spelling of 745170055 in words is "seven hundred forty-five million, one hundred seventy thousand, fifty-five".