745439456 has 12 divisors (see below), whose sum is σ = 1467583992. Its totient is φ = 372719712.

The previous prime is 745439419. The next prime is 745439467. The reversal of 745439456 is 654934547.

It is a self number, because there is not a number n which added to its sum of digits gives 745439456.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11647460 + ... + 11647523.

It is an arithmetic number, because the mean of its divisors is an integer number (122298666).

Almost surely, 2^745439456 is an apocalyptic number.

It is an amenable number.

745439456 is a deficient number, since it is larger than the sum of its proper divisors (722144536).

745439456 is a wasteful number, since it uses less digits than its factorization.

745439456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23294993 (or 23294985 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 47.

The square root of 745439456 is about 27302.7371521611. The cubic root of 745439456 is about 906.7149825271.

The spelling of 745439456 in words is "seven hundred forty-five million, four hundred thirty-nine thousand, four hundred fifty-six".