7499025 has 18 divisors (see below), whose sum is σ = 13431990. Its totient is φ = 3999360.

The previous prime is 7498999. The next prime is 7499027. The reversal of 7499025 is 5209947.

It can be written as a sum of positive squares in 3 ways, for example, as 904401 + 6594624 = 951^2 + 2568^2 .

It is not a de Polignac number, because 7499025 - 2⁶ = 7498961 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (7499027) 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 17 ways as a sum of consecutive naturals, for example, 16440 + ... + 16889.

Almost surely, 2^7499025 is an apocalyptic number.

7499025 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7499025 is a deficient number, since it is larger than the sum of its proper divisors (5932965).

7499025 is a wasteful number, since it uses less digits than its factorization.

7499025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33345 (or 33337 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 7499025 is about 2738.4347719089. The cubic root of 7499025 is about 195.7348994776.

It can be divided in two parts, 74 and 99025, that added together give a palindrome (99099).

The spelling of 7499025 in words is "seven million, four hundred ninety-nine thousand, twenty-five".