73957225 has 12 divisors (see below), whose sum is σ = 97102044. Its totient is φ = 55685120.

The previous prime is 73957211. The next prime is 73957237. The reversal of 73957225 is 52275937.

It can be written as a sum of positive squares in 6 ways, for example, as 7502121 + 66455104 = 2739^2 + 8152^2 .

It is not a de Polignac number, because 73957225 - 2⁷ = 73957097 is a prime.

It is a super-2 number, since 2×73957225² = 10939342259401250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86584 + ... + 87433.

It is an arithmetic number, because the mean of its divisors is an integer number (8091837).

Almost surely, 2^73957225 is an apocalyptic number.

It is an amenable number.

73957225 is a deficient number, since it is larger than the sum of its proper divisors (23144819).

73957225 is a wasteful number, since it uses less digits than its factorization.

73957225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174044 (or 174039 counting only the distinct ones).

The product of its digits is 132300, while the sum is 40.

The square root of 73957225 is about 8599.8386612773. The cubic root of 73957225 is about 419.7527361668.

The spelling of 73957225 in words is "seventy-three million, nine hundred fifty-seven thousand, two hundred twenty-five".