745680355 has 32 divisors (see below), whose sum is σ = 1101570048. Its totient is φ = 473299200.

The previous prime is 745680323. The next prime is 745680371. The reversal of 745680355 is 553086547.

It is not a de Polignac number, because 745680355 - 2⁵ = 745680323 is a prime.

It is a Duffinian 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, 10015 + ... + 39895.

It is an arithmetic number, because the mean of its divisors is an integer number (34424064).

Almost surely, 2^745680355 is an apocalyptic number.

745680355 is a deficient number, since it is larger than the sum of its proper divisors (355889693).

745680355 is a wasteful number, since it uses less digits than its factorization.

745680355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29947.

The product of its (nonzero) digits is 504000, while the sum is 43.

The square root of 745680355 is about 27307.1484230778. The cubic root of 745680355 is about 906.8126444749.

The spelling of 745680355 in words is "seven hundred forty-five million, six hundred eighty thousand, three hundred fifty-five".