73456442 has 4 divisors (see below), whose sum is σ = 110184666. Its totient is φ = 36728220.

The previous prime is 73456421. The next prime is 73456459. The reversal of 73456442 is 24465437.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 71081761 + 2374681 = 8431^2 + 1541^2 .

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 as a sum of consecutive naturals, namely, 18364109 + ... + 18364112.

Almost surely, 2^73456442 is an apocalyptic number.

73456442 is a deficient number, since it is larger than the sum of its proper divisors (36728224).

73456442 is a wasteful number, since it uses less digits than its factorization.

73456442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36728223.

The product of its digits is 80640, while the sum is 35.

The square root of 73456442 is about 8570.6733691117. The cubic root of 73456442 is about 418.8031725158.

The spelling of 73456442 in words is "seventy-three million, four hundred fifty-six thousand, four hundred forty-two".