73420013 has 8 divisors (see below), whose sum is σ = 74808960. Its totient is φ = 72036000.

The previous prime is 73420003. The next prime is 73420019. The reversal of 73420013 is 31002437.

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

It is a cyclic number.

It is not a de Polignac number, because 73420013 - 2⁶ = 73419949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73420019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43481 + ... + 45137.

It is an arithmetic number, because the mean of its divisors is an integer number (9351120).

Almost surely, 2^73420013 is an apocalyptic number.

It is an amenable number.

73420013 is a deficient number, since it is larger than the sum of its proper divisors (1388947).

73420013 is a wasteful number, since it uses less digits than its factorization.

73420013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2467.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 73420013 is about 8568.5478933131. The cubic root of 73420013 is about 418.7339291969.

The spelling of 73420013 in words is "seventy-three million, four hundred twenty thousand, thirteen".