74122147 has 8 divisors (see below), whose sum is σ = 83469312. Its totient is φ = 65209800.

The previous prime is 74122093. The next prime is 74122157.

74122147 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 74122147 - 2⁷ = 74122019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74122157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108343 + ... + 109024.

It is an arithmetic number, because the mean of its divisors is an integer number (10433664).

Almost surely, 2^74122147 is an apocalyptic number.

74122147 is a deficient number, since it is larger than the sum of its proper divisors (9347165).

74122147 is a wasteful number, since it uses less digits than its factorization.

74122147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217409.

The product of its digits is 3136, while the sum is 28.

The square root of 74122147 is about 8609.4219898899. The cubic root of 74122147 is about 420.0645157885.

It can be divided in two parts, 7412 and 2147, that added together give a palindrome (9559).

The spelling of 74122147 in words is "seventy-four million, one hundred twenty-two thousand, one hundred forty-seven".