745432446 has 16 divisors (see below), whose sum is σ = 1626398208. Its totient is φ = 225888600.

The previous prime is 745432421. The next prime is 745432447. The reversal of 745432446 is 644234547.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745432447) 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, 5647150 + ... + 5647281.

It is an arithmetic number, because the mean of its divisors is an integer number (101649888).

Almost surely, 2^745432446 is an apocalyptic number.

745432446 is an abundant number, since it is smaller than the sum of its proper divisors (880965762).

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

745432446 is a wasteful number, since it uses less digits than its factorization.

745432446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11294447.

The product of its digits is 322560, while the sum is 39.

The square root of 745432446 is about 27302.6087764521. The cubic root of 745432446 is about 906.7121403146.

The spelling of 745432446 in words is "seven hundred forty-five million, four hundred thirty-two thousand, four hundred forty-six".