7321895156 has 12 divisors (see below), whose sum is σ = 12848232768. Its totient is φ = 3650971512.

The previous prime is 7321895149. The next prime is 7321895159. The reversal of 7321895156 is 6515981237.

It is a super-2 number, since 2×7321895156² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7321895156.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7321895159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2492366 + ... + 2495301.

It is an arithmetic number, because the mean of its divisors is an integer number (1070686064).

Almost surely, 2^7321895156 is an apocalyptic number.

It is an amenable number.

7321895156 is a deficient number, since it is larger than the sum of its proper divisors (5526337612).

7321895156 is a wasteful number, since it uses less digits than its factorization.

7321895156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4988038 (or 4988036 counting only the distinct ones).

The product of its digits is 453600, while the sum is 47.

The square root of 7321895156 is about 85568.0732282783. The cubic root of 7321895156 is about 1941.8149271240.

The spelling of 7321895156 in words is "seven billion, three hundred twenty-one million, eight hundred ninety-five thousand, one hundred fifty-six".