74727342 has 48 divisors (see below), whose sum is σ = 180470160. Its totient is φ = 22208256.

The previous prime is 74727319. The next prime is 74727343. The reversal of 74727342 is 24372747.

It is a junction number, because it is equal to n+sod(n) for n = 74727297 and 74727306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74727343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 613 + ... + 12240.

It is an arithmetic number, because the mean of its divisors is an integer number (3759795).

Almost surely, 2^74727342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74727342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90235080).

74727342 is an abundant number, since it is smaller than the sum of its proper divisors (105742818).

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

74727342 is a wasteful number, since it uses less digits than its factorization.

74727342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12897 (or 12894 counting only the distinct ones).

The product of its digits is 65856, while the sum is 36.

The square root of 74727342 is about 8644.4977876103. The cubic root of 74727342 is about 421.2046706354.

The spelling of 74727342 in words is "seventy-four million, seven hundred twenty-seven thousand, three hundred forty-two".