74027142 has 96 divisors (see below), whose sum is σ = 193955040. Its totient is φ = 20865600.

The previous prime is 74027141. The next prime is 74027147. The reversal of 74027142 is 24172047.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74027141) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 267108 + ... + 267384.

It is an arithmetic number, because the mean of its divisors is an integer number (2020365).

Almost surely, 2^74027142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74027142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96977520).

74027142 is an abundant number, since it is smaller than the sum of its proper divisors (119927898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74027142 is a wasteful number, since it uses less digits than its factorization.

74027142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403 (or 390 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 74027142 is about 8603.9027191153. The cubic root of 74027142 is about 419.8849684975.

Adding to 74027142 its reverse (24172047), we get a palindrome (98199189).

The spelling of 74027142 in words is "seventy-four million, twenty-seven thousand, one hundred forty-two".