73407 has 4 divisors (see below), whose sum is σ = 97880. Its totient is φ = 48936.

The previous prime is 73387. The next prime is 73417. The reversal of 73407 is 70437.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 73407 - 2¹⁰ = 72383 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12232 + ... + 12237.

It is an arithmetic number, because the mean of its divisors is an integer number (24470).

2⁷³⁴⁰⁷ is an apocalyptic number.

73407 is a deficient number, since it is larger than the sum of its proper divisors (24473).

73407 is a wasteful number, since it uses less digits than its factorization.

73407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24472.

The product of its (nonzero) digits is 588, while the sum is 21.

The square root of 73407 is about 270.9372621106. The cubic root of 73407 is about 41.8709188864.

The spelling of 73407 in words is "seventy-three thousand, four hundred seven", and thus it is an iban number.