74242625 has 16 divisors (see below), whose sum is σ = 93522000. Its totient is φ = 58838400.

The previous prime is 74242601. The next prime is 74242627. The reversal of 74242625 is 52624247.

It can be written as a sum of positive squares in 8 ways, for example, as 33269824 + 40972801 = 5768^2 + 6401^2 .

It is not a de Polignac number, because 74242625 - 2¹⁴ = 74226241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74242591 and 74242600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74242627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10901 + ... + 16349.

It is an arithmetic number, because the mean of its divisors is an integer number (5845125).

Almost surely, 2^74242625 is an apocalyptic number.

It is an amenable number.

74242625 is a deficient number, since it is larger than the sum of its proper divisors (19279375).

74242625 is a wasteful number, since it uses less digits than its factorization.

74242625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5573 (or 5563 counting only the distinct ones).

The product of its digits is 26880, while the sum is 32.

The square root of 74242625 is about 8616.4160182758. The cubic root of 74242625 is about 420.2919832856.

The spelling of 74242625 in words is "seventy-four million, two hundred forty-two thousand, six hundred twenty-five".