7320564 has 24 divisors (see below), whose sum is σ = 18979520. Its totient is φ = 2440152.

The previous prime is 7320553. The next prime is 7320589. The reversal of 7320564 is 4650237.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33784 + ... + 33999.

Almost surely, 2^7320564 is an apocalyptic number.

It is an amenable number.

7320564 is an abundant number, since it is smaller than the sum of its proper divisors (11658956).

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

7320564 is a wasteful number, since it uses less digits than its factorization.

7320564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67796 (or 67788 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 7320564 is about 2705.6540798853. The cubic root of 7320564 is about 194.1697242872.

The spelling of 7320564 in words is "seven million, three hundred twenty thousand, five hundred sixty-four".