74342842 has 16 divisors (see below), whose sum is σ = 130890240. Its totient is φ = 30999888.

The previous prime is 74342809. The next prime is 74342843. The reversal of 74342842 is 24824347.

It is a junction number, because it is equal to n+sod(n) for n = 74342798 and 74342807.

It is not an unprimeable number, because it can be changed into a prime (74342843) 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, 71242 + ... + 72277.

It is an arithmetic number, because the mean of its divisors is an integer number (8180640).

Almost surely, 2^74342842 is an apocalyptic number.

74342842 is a deficient number, since it is larger than the sum of its proper divisors (56547398).

74342842 is a wasteful number, since it uses less digits than its factorization.

74342842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143565.

The product of its digits is 43008, while the sum is 34.

The square root of 74342842 is about 8622.2295260565. The cubic root of 74342842 is about 420.4810097544.

The spelling of 74342842 in words is "seventy-four million, three hundred forty-two thousand, eight hundred forty-two".