745758678 has 32 divisors (see below), whose sum is σ = 1717046784. Its totient is φ = 211516992.

The previous prime is 745758641. The next prime is 745758697. The reversal of 745758678 is 876857547.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59050 + ... + 70557.

It is an arithmetic number, because the mean of its divisors is an integer number (53657712).

Almost surely, 2^745758678 is an apocalyptic number.

745758678 is an abundant number, since it is smaller than the sum of its proper divisors (971288106).

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

745758678 is a wasteful number, since it uses less digits than its factorization.

745758678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129756.

The product of its digits is 13171200, while the sum is 57.

The square root of 745758678 is about 27308.5824970832. The cubic root of 745758678 is about 906.8443925734.

The spelling of 745758678 in words is "seven hundred forty-five million, seven hundred fifty-eight thousand, six hundred seventy-eight".