74240842 has 16 divisors (see below), whose sum is σ = 120282120. Its totient is φ = 34163712.

The previous prime is 74240839. The next prime is 74240867. The reversal of 74240842 is 24804247.

It can be written as a sum of positive squares in 4 ways, for example, as 23532201 + 50708641 = 4851^2 + 7121^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5134 + ... + 13222.

Almost surely, 2^74240842 is an apocalyptic number.

74240842 is a deficient number, since it is larger than the sum of its proper divisors (46041278).

74240842 is a wasteful number, since it uses less digits than its factorization.

74240842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8457.

The product of its (nonzero) digits is 14336, while the sum is 31.

The square root of 74240842 is about 8616.3125523625. The cubic root of 74240842 is about 420.2886187018.

The spelling of 74240842 in words is "seventy-four million, two hundred forty thousand, eight hundred forty-two".