7321404564 has 48 divisors (see below), whose sum is σ = 18989208000.
Its totient is φ = 2439466848.
The previous prime is 7321404511. The next prime is 7321404593. The reversal of 7321404564 is 4654041237.
7321404564 is a `hidden beast` number, since 73 + 21 + 4 + 0 + 4 + 564 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278934 + ... + 304050.
It is an arithmetic number, because the mean of its divisors is an integer number (395608500).
Almost surely, 27321404564 is an apocalyptic number.
It is an amenable number.
7321404564 is an abundant number, since it is smaller than the sum of its proper divisors (11667803436).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7321404564 is a wasteful number, since it uses less digits than its factorization.
7321404564 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27829 (or 27821 counting only the distinct ones).
The product of its (nonzero) digits is 80640, while the sum is 36.
The square root of 7321404564 is about 85565.2065035783.
The cubic root of 7321404564 is about 1941.7715567431.
The spelling of 7321404564 in words is "seven billion, three hundred twenty-one million, four hundred four thousand, five hundred sixty-four".