7485644 has 12 divisors (see below), whose sum is σ = 13870584. Its totient is φ = 3522624.

The previous prime is 7485641. The next prime is 7485659. The reversal of 7485644 is 4465847.

It is a junction number, because it is equal to n+sod(n) for n = 7485598 and 7485607.

It is not an unprimeable number, because it can be changed into a prime (7485641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54974 + ... + 55109.

It is an arithmetic number, because the mean of its divisors is an integer number (1155882).

Almost surely, 2^7485644 is an apocalyptic number.

It is an amenable number.

7485644 is a deficient number, since it is larger than the sum of its proper divisors (6384940).

7485644 is a wasteful number, since it uses less digits than its factorization.

7485644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110104 (or 110102 counting only the distinct ones).

The product of its digits is 107520, while the sum is 38.

The square root of 7485644 is about 2735.9904970595. The cubic root of 7485644 is about 195.6184093089.

The spelling of 7485644 in words is "seven million, four hundred eighty-five thousand, six hundred forty-four".