745667678 has 16 divisors (see below), whose sum is σ = 1278667104. Its totient is φ = 319476960.

The previous prime is 745667647. The next prime is 745667683. The reversal of 745667678 is 876766547.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62576 + ... + 73532.

It is an arithmetic number, because the mean of its divisors is an integer number (79916694).

Almost surely, 2^745667678 is an apocalyptic number.

745667678 is a deficient number, since it is larger than the sum of its proper divisors (532999426).

745667678 is a wasteful number, since it uses less digits than its factorization.

745667678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15827.

The product of its digits is 11854080, while the sum is 56.

The square root of 745667678 is about 27306.9163033837. The cubic root of 745667678 is about 906.8075056648.

The spelling of 745667678 in words is "seven hundred forty-five million, six hundred sixty-seven thousand, six hundred seventy-eight".