74127245 has 8 divisors (see below), whose sum is σ = 89083800. Its totient is φ = 59214400.

The previous prime is 74127239. The next prime is 74127257. The reversal of 74127245 is 54272147.

It can be written as a sum of positive squares in 4 ways, for example, as 6180196 + 67947049 = 2486^2 + 8243^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 74127245 - 2⁸ = 74126989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7070 + ... + 14079.

It is an arithmetic number, because the mean of its divisors is an integer number (11135475).

Almost surely, 2^74127245 is an apocalyptic number.

It is an amenable number.

74127245 is a deficient number, since it is larger than the sum of its proper divisors (14956555).

74127245 is a wasteful number, since it uses less digits than its factorization.

74127245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21855.

The product of its digits is 15680, while the sum is 32.

The square root of 74127245 is about 8609.7180557786. The cubic root of 74127245 is about 420.0741460177.

The spelling of 74127245 in words is "seventy-four million, one hundred twenty-seven thousand, two hundred forty-five".