74190625 has 12 divisors (see below), whose sum is σ = 92736252. Its totient is φ = 59350000.

The previous prime is 74190577. The next prime is 74190673. The reversal of 74190625 is 52609147.

It is an interprime number because it is at equal distance from previous prime (74190577) and next prime (74190673).

It can be written as a sum of positive squares in 6 ways, for example, as 36687249 + 37503376 = 6057^2 + 6124^2 .

It is not a de Polignac number, because 74190625 - 2¹⁷ = 74059553 is a prime.

It is a Duffinian 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 11 ways as a sum of consecutive naturals, for example, 8746 + ... + 14995.

It is an arithmetic number, because the mean of its divisors is an integer number (7728021).

Almost surely, 2^74190625 is an apocalyptic number.

It is an amenable number.

74190625 is a deficient number, since it is larger than the sum of its proper divisors (18545627).

74190625 is an frugal number, since it uses more digits than its factorization.

74190625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23766 (or 23746 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 74190625 is about 8613.3979938233. The cubic root of 74190625 is about 420.1938353209.

The spelling of 74190625 in words is "seventy-four million, one hundred ninety thousand, six hundred twenty-five".