7875572 has 12 divisors (see below), whose sum is σ = 13806660. Its totient is φ = 3930816.

The previous prime is 7875563. The next prime is 7875583. The reversal of 7875572 is 2755787.

It can be written as a sum of positive squares in 2 ways, for example, as 1136356 + 6739216 = 1066^2 + 2596^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1448 + ... + 4224.

It is an arithmetic number, because the mean of its divisors is an integer number (1150555).

Almost surely, 2^7875572 is an apocalyptic number.

It is an amenable number.

7875572 is a deficient number, since it is larger than the sum of its proper divisors (5931088).

7875572 is a wasteful number, since it uses less digits than its factorization.

7875572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3490 (or 3488 counting only the distinct ones).

The product of its digits is 137200, while the sum is 41.

The square root of 7875572 is about 2806.3449538501. The cubic root of 7875572 is about 198.9576772533.

The spelling of 7875572 in words is "seven million, eight hundred seventy-five thousand, five hundred seventy-two".