7645072 has 20 divisors (see below), whose sum is σ = 14959360. Its totient is φ = 3784608.

The previous prime is 7645061. The next prime is 7645073. The reversal of 7645072 is 2705467.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7645073) 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, 672 + ... + 3967.

It is an arithmetic number, because the mean of its divisors is an integer number (747968).

Almost surely, 2^7645072 is an apocalyptic number.

It is an amenable number.

7645072 is a deficient number, since it is larger than the sum of its proper divisors (7314288).

7645072 is a wasteful number, since it uses less digits than its factorization.

7645072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4750 (or 4744 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 7645072 is about 2764.9723325921. The cubic root of 7645072 is about 196.9974146551.

The spelling of 7645072 in words is "seven million, six hundred forty-five thousand, seventy-two".