74282107 has 4 divisors (see below), whose sum is σ = 76678336. Its totient is φ = 71885880.

The previous prime is 74282093. The next prime is 74282141. The reversal of 74282107 is 70128247.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74282107 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 2396197 = 74282107 / (7 + 4 + 2 + 8 + 2 + 1 + 0 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74282407) 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, 1198068 + ... + 1198129.

It is an arithmetic number, because the mean of its divisors is an integer number (19169584).

Almost surely, 2^74282107 is an apocalyptic number.

74282107 is a deficient number, since it is larger than the sum of its proper divisors (2396229).

74282107 is a wasteful number, since it uses less digits than its factorization.

74282107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2396228.

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 74282107 is about 8618.7068055480. The cubic root of 74282107 is about 420.3664734114.

The spelling of 74282107 in words is "seventy-four million, two hundred eighty-two thousand, one hundred seven".