73479842 has 4 divisors (see below), whose sum is σ = 110219766. Its totient is φ = 36739920.

The previous prime is 73479841. The next prime is 73479851. The reversal of 73479842 is 24897437.

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., 43020481 + 30459361 = 6559^2 + 5519^2 .

It is a junction number, because it is equal to n+sod(n) for n = 73479793 and 73479802.

It is not an unprimeable number, because it can be changed into a prime (73479841) by changing a digit.

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 as a sum of consecutive naturals, namely, 18369959 + ... + 18369962.

Almost surely, 2^73479842 is an apocalyptic number.

73479842 is a deficient number, since it is larger than the sum of its proper divisors (36739924).

73479842 is a wasteful number, since it uses less digits than its factorization.

73479842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36739923.

The product of its digits is 338688, while the sum is 44.

The square root of 73479842 is about 8572.0383806887. The cubic root of 73479842 is about 418.8476385673.

The spelling of 73479842 in words is "seventy-three million, four hundred seventy-nine thousand, eight hundred forty-two".