7322653021 has 4 divisors (see below), whose sum is σ = 7329542752. Its totient is φ = 7315763292.

The previous prime is 7322653001. The next prime is 7322653061. The reversal of 7322653021 is 1203562237.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7322653021 - 2⁵ = 7322652989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7322653001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3443271 + ... + 3445396.

It is an arithmetic number, because the mean of its divisors is an integer number (1832385688).

Almost surely, 2^7322653021 is an apocalyptic number.

It is an amenable number.

7322653021 is a deficient number, since it is larger than the sum of its proper divisors (6889731).

7322653021 is a wasteful number, since it uses less digits than its factorization.

7322653021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6889730.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 7322653021 is about 85572.5015469339. The cubic root of 7322653021 is about 1941.8819217462.

The spelling of 7322653021 in words is "seven billion, three hundred twenty-two million, six hundred fifty-three thousand, twenty-one".