745704446 has 4 divisors (see below), whose sum is σ = 1118556672. Its totient is φ = 372852222.

The previous prime is 745704437. The next prime is 745704493. The reversal of 745704446 is 644407547.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 644407547 = 7 ⋅92058221.

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, 186426110 + ... + 186426113.

It is an arithmetic number, because the mean of its divisors is an integer number (279639168).

Almost surely, 2^745704446 is an apocalyptic number.

745704446 is a deficient number, since it is larger than the sum of its proper divisors (372852226).

745704446 is a wasteful number, since it uses less digits than its factorization.

745704446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372852225.

The product of its (nonzero) digits is 376320, while the sum is 41.

The square root of 745704446 is about 27307.5895311175. The cubic root of 745704446 is about 906.8224099586.

The spelling of 745704446 in words is "seven hundred forty-five million, seven hundred four thousand, four hundred forty-six".