73442906 has 16 divisors (see below), whose sum is σ = 117642240. Its totient is φ = 34310640.

The previous prime is 73442893. The next prime is 73442951. The reversal of 73442906 is 60924437.

It is a Curzon 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, 18626 + ... + 22221.

It is an arithmetic number, because the mean of its divisors is an integer number (7352640).

Almost surely, 2^73442906 is an apocalyptic number.

73442906 is a deficient number, since it is larger than the sum of its proper divisors (44199334).

73442906 is a wasteful number, since it uses less digits than its factorization.

73442906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40909.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 73442906 is about 8569.8836631544. The cubic root of 73442906 is about 418.7774463038. Note that the first 3 decimals are identical.

The spelling of 73442906 in words is "seventy-three million, four hundred forty-two thousand, nine hundred six".