745291612 has 24 divisors (see below), whose sum is σ = 1412724096. Its totient is φ = 341988288.

The previous prime is 745291601. The next prime is 745291627. The reversal of 745291612 is 216192547.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32428 + ... + 50419.

It is an arithmetic number, because the mean of its divisors is an integer number (58863504).

Almost surely, 2^745291612 is an apocalyptic number.

It is an amenable number.

745291612 is a deficient number, since it is larger than the sum of its proper divisors (667432484).

745291612 is a wasteful number, since it uses less digits than its factorization.

745291612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83037 (or 83035 counting only the distinct ones).

The product of its digits is 30240, while the sum is 37.

The square root of 745291612 is about 27300.0295237936. The cubic root of 745291612 is about 906.6550352338.

The spelling of 745291612 in words is "seven hundred forty-five million, two hundred ninety-one thousand, six hundred twelve".