745346664 has 32 divisors (see below), whose sum is σ = 2070408000. Its totient is φ = 248448816.

The previous prime is 745346663. The next prime is 745346669. The reversal of 745346664 is 466643547.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (745346663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1725124 + ... + 1725555.

It is an arithmetic number, because the mean of its divisors is an integer number (64700250).

Almost surely, 2^745346664 is an apocalyptic number.

It is an amenable number.

745346664 is an abundant number, since it is smaller than the sum of its proper divisors (1325061336).

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

745346664 is a wasteful number, since it uses less digits than its factorization.

745346664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3450694 (or 3450684 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 45.

The square root of 745346664 is about 27301.0377824727. The cubic root of 745346664 is about 906.6773584620.

The spelling of 745346664 in words is "seven hundred forty-five million, three hundred forty-six thousand, six hundred sixty-four".