73428814 has 8 divisors (see below), whose sum is σ = 116622288. Its totient is φ = 34554720.

The previous prime is 73428809. The next prime is 73428829. The reversal of 73428814 is 41882437.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1079802 + ... + 1079869.

It is an arithmetic number, because the mean of its divisors is an integer number (14577786).

Almost surely, 2^73428814 is an apocalyptic number.

73428814 is a deficient number, since it is larger than the sum of its proper divisors (43193474).

73428814 is a wasteful number, since it uses less digits than its factorization.

73428814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2159690.

The product of its digits is 43008, while the sum is 37.

The square root of 73428814 is about 8569.0614421884. The cubic root of 73428814 is about 418.7506600123.

The spelling of 73428814 in words is "seventy-three million, four hundred twenty-eight thousand, eight hundred fourteen".