74140425 has 36 divisors (see below), whose sum is σ = 133275324. Its totient is φ = 39398400.

The previous prime is 74140421. The next prime is 74140433. The reversal of 74140425 is 52404147.

It can be written as a sum of positive squares in 6 ways, for example, as 33039504 + 41100921 = 5748^2 + 6411^2 .

It is not a de Polignac number, because 74140425 - 2² = 74140421 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74140421) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 97045 + ... + 97805.

Almost surely, 2^74140425 is an apocalyptic number.

74140425 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

74140425 is a deficient number, since it is larger than the sum of its proper divisors (59134899).

74140425 is a wasteful number, since it uses less digits than its factorization.

74140425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210 (or 1202 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 74140425 is about 8610.4834359053. The cubic root of 74140425 is about 420.0990412688.

The spelling of 74140425 in words is "seventy-four million, one hundred forty thousand, four hundred twenty-five".