7620125 has 8 divisors (see below), whose sum is σ = 9510072. Its totient is φ = 6096000.

The previous prime is 7620101. The next prime is 7620143. The reversal of 7620125 is 5210267.

It can be written as a sum of positive squares in 4 ways, for example, as 2247001 + 5373124 = 1499^2 + 2318^2 .

It is a de Polignac number, because none of the positive numbers 2^k-7620125 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7620125.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 30356 + ... + 30605.

It is an arithmetic number, because the mean of its divisors is an integer number (1188759).

Almost surely, 2^7620125 is an apocalyptic number.

It is an amenable number.

7620125 is a deficient number, since it is larger than the sum of its proper divisors (1889947).

7620125 is an equidigital number, since it uses as much as digits as its factorization.

7620125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60976 (or 60966 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 7620125 is about 2760.4573896367. The cubic root of 7620125 is about 196.7829039311.

The spelling of 7620125 in words is "seven million, six hundred twenty thousand, one hundred twenty-five".