74625413 has 4 divisors (see below), whose sum is σ = 74829120. Its totient is φ = 74421708.

The previous prime is 74625403. The next prime is 74625437. The reversal of 74625413 is 31452647.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31452647 = 461 ⋅68227.

It is a cyclic number.

It is not a de Polignac number, because 74625413 - 2⁶ = 74625349 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74625413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74625403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101303 + ... + 102036.

It is an arithmetic number, because the mean of its divisors is an integer number (18707280).

Almost surely, 2^74625413 is an apocalyptic number.

It is an amenable number.

74625413 is a deficient number, since it is larger than the sum of its proper divisors (203707).

74625413 is a wasteful number, since it uses less digits than its factorization.

74625413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203706.

The product of its digits is 20160, while the sum is 32.

The square root of 74625413 is about 8638.6001759544. The cubic root of 74625413 is about 421.0130740707.

The spelling of 74625413 in words is "seventy-four million, six hundred twenty-five thousand, four hundred thirteen".