73420814 has 4 divisors (see below), whose sum is σ = 110131224. Its totient is φ = 36710406.

The previous prime is 73420801. The next prime is 73420829. The reversal of 73420814 is 41802437.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41802437 = 1019 ⋅41023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18355202 + ... + 18355205.

It is an arithmetic number, because the mean of its divisors is an integer number (27532806).

Almost surely, 2^73420814 is an apocalyptic number.

73420814 is a deficient number, since it is larger than the sum of its proper divisors (36710410).

73420814 is a wasteful number, since it uses less digits than its factorization.

73420814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36710409.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 73420814 is about 8568.5946338942. The cubic root of 73420814 is about 418.7354519636.

The spelling of 73420814 in words is "seventy-three million, four hundred twenty thousand, eight hundred fourteen".