7320849144 has 64 divisors (see below), whose sum is σ = 21591459840. Its totient is φ = 2024196480.

The previous prime is 7320849143. The next prime is 7320849161. The reversal of 7320849144 is 4419480237.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 7320849096 and 7320849105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7320849143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 697639 + ... + 708054.

It is an arithmetic number, because the mean of its divisors is an integer number (337366560).

Almost surely, 2^7320849144 is an apocalyptic number.

It is an amenable number.

7320849144 is an abundant number, since it is smaller than the sum of its proper divisors (14270610696).

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

7320849144 is a wasteful number, since it uses less digits than its factorization.

7320849144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1405740 (or 1405736 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 7320849144 is about 85561.9608470961. The cubic root of 7320849144 is about 1941.7224529579.

The spelling of 7320849144 in words is "seven billion, three hundred twenty million, eight hundred forty-nine thousand, one hundred forty-four".