745364772 has 72 divisors (see below), whose sum is σ = 1975122240. Its totient is φ = 236554560.

The previous prime is 745364743. The next prime is 745364773. The reversal of 745364772 is 277463547.

745364772 is a `hidden beast` number, since 7 + 4 + 536 + 47 + 72 = 666.

745364772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×745364772² = 1111137286677223968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (745364773) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 187647 + ... + 191577.

Almost surely, 2^745364772 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 745364772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (987561120).

745364772 is an abundant number, since it is smaller than the sum of its proper divisors (1229757468).

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

745364772 is a wasteful number, since it uses less digits than its factorization.

745364772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4193 (or 4188 counting only the distinct ones).

The product of its digits is 987840, while the sum is 45.

The square root of 745364772 is about 27301.3694162033. The cubic root of 745364772 is about 906.6847008980.

The spelling of 745364772 in words is "seven hundred forty-five million, three hundred sixty-four thousand, seven hundred seventy-two".