7945020 has 48 divisors (see below), whose sum is σ = 24719520. Its totient is φ = 2118528.

The previous prime is 7944991. The next prime is 7945031. The reversal of 7945020 is 205497.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6817 + ... + 7896.

It is an arithmetic number, because the mean of its divisors is an integer number (514990).

Almost surely, 2^7945020 is an apocalyptic number.

It is an amenable number.

7945020 is an abundant number, since it is smaller than the sum of its proper divisors (16774500).

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

7945020 is a wasteful number, since it uses less digits than its factorization.

7945020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14731 (or 14723 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 7945020 is about 2818.6911856392. The cubic root of 7945020 is about 199.5407797240.

The spelling of 7945020 in words is "seven million, nine hundred forty-five thousand, twenty".