745437564 has 108 divisors (see below), whose sum is σ = 2038654800. Its totient is φ = 229495680.

The previous prime is 745437541. The next prime is 745437569. The reversal of 745437564 is 465734547.

745437564 is a `hidden beast` number, since 7 + 4 + 54 + 37 + 564 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745437569) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 532137 + ... + 533535.

Almost surely, 2^745437564 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 745437564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1019327400).

745437564 is an abundant number, since it is smaller than the sum of its proper divisors (1293217236).

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

745437564 is a wasteful number, since it uses less digits than its factorization.

745437564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1488 (or 1464 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 45.

The square root of 745437564 is about 27302.7025035984. The cubic root of 745437564 is about 906.7142154153.

The spelling of 745437564 in words is "seven hundred forty-five million, four hundred thirty-seven thousand, five hundred sixty-four".