745566912 has 84 divisors (see below), whose sum is σ = 2142073440. Its totient is φ = 247936512.

The previous prime is 745566911. The next prime is 745566917. The reversal of 745566912 is 219665547.

745566912 is a `hidden beast` number, since 7 + 4 + 556 + 6 + 91 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (745566911) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 291913 + ... + 294455.

Almost surely, 2^745566912 is an apocalyptic number.

745566912 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 745566912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1071036720).

745566912 is an abundant number, since it is smaller than the sum of its proper divisors (1396506528).

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

745566912 is a wasteful number, since it uses less digits than its factorization.

745566912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3070 (or 3057 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 745566912 is about 27305.0711773473. The cubic root of 745566912 is about 906.7666566002.

The spelling of 745566912 in words is "seven hundred forty-five million, five hundred sixty-six thousand, nine hundred twelve".