74230025 has 12 divisors (see below), whose sum is σ = 92721372. Its totient is φ = 58947840.

The previous prime is 74230021. The next prime is 74230043. The reversal of 74230025 is 52003247.

It can be written as a sum of positive squares in 6 ways, for example, as 4206601 + 70023424 = 2051^2 + 8368^2 .

It is not a de Polignac number, because 74230025 - 2² = 74230021 is a prime.

It is a super-2 number, since 2×74230025² = 11020193223001250, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (74230021) 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 11 ways as a sum of consecutive naturals, for example, 7412 + ... + 14261.

It is an arithmetic number, because the mean of its divisors is an integer number (7726781).

Almost surely, 2^74230025 is an apocalyptic number.

It is an amenable number.

74230025 is a deficient number, since it is larger than the sum of its proper divisors (18491347).

74230025 is a wasteful number, since it uses less digits than its factorization.

74230025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21820 (or 21815 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 74230025 is about 8615.6848247832. The cubic root of 74230025 is about 420.2682054868.

The spelling of 74230025 in words is "seventy-four million, two hundred thirty thousand, twenty-five".