73474742 has 16 divisors (see below), whose sum is σ = 125459712. Its totient is φ = 31945320.

The previous prime is 73474733. The next prime is 73474757. The reversal of 73474742 is 24747437.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 73474696 and 73474705.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72098 + ... + 73109.

It is an arithmetic number, because the mean of its divisors is an integer number (7841232).

Almost surely, 2^73474742 is an apocalyptic number.

73474742 is a deficient number, since it is larger than the sum of its proper divisors (51984970).

73474742 is a wasteful number, since it uses less digits than its factorization.

73474742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145243.

The product of its digits is 131712, while the sum is 38.

The square root of 73474742 is about 8571.7408966907. The cubic root of 73474742 is about 418.8379480530.

The spelling of 73474742 in words is "seventy-three million, four hundred seventy-four thousand, seven hundred forty-two".