73406013 has 8 divisors (see below), whose sum is σ = 97973568. Its totient is φ = 48887904.

The previous prime is 73406009. The next prime is 73406023. The reversal of 73406013 is 31060437.

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

It is not a de Polignac number, because 73406013 - 2² = 73406009 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73406023) 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 in 7 ways as a sum of consecutive naturals, for example, 8745 + ... + 14942.

It is an arithmetic number, because the mean of its divisors is an integer number (12246696).

Almost surely, 2^73406013 is an apocalyptic number.

It is an amenable number.

73406013 is a deficient number, since it is larger than the sum of its proper divisors (24567555).

73406013 is a wasteful number, since it uses less digits than its factorization.

73406013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24723.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 73406013 is about 8567.7309131415. The cubic root of 73406013 is about 418.7073122595.

The spelling of 73406013 in words is "seventy-three million, four hundred six thousand, thirteen".