7900075 has 6 divisors (see below), whose sum is σ = 9796124. Its totient is φ = 6320040.

The previous prime is 7900073. The next prime is 7900091. The reversal of 7900075 is 5700097.

It is not a de Polignac number, because 7900075 - 2¹ = 7900073 is a prime.

It is a super-2 number, since 2×7900075² = 124822370011250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7900073) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 157977 + ... + 158026.

Almost surely, 2^7900075 is an apocalyptic number.

7900075 is a deficient number, since it is larger than the sum of its proper divisors (1896049).

7900075 is a wasteful number, since it uses less digits than its factorization.

7900075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316013 (or 316008 counting only the distinct ones).

The product of its (nonzero) digits is 2205, while the sum is 28.

The square root of 7900075 is about 2810.7072063806. The cubic root of 7900075 is about 199.1638003902.

The spelling of 7900075 in words is "seven million, nine hundred thousand, seventy-five".