73240203 has 8 divisors (see below), whose sum is σ = 97732816. Its totient is φ = 48787200.

The previous prime is 73240201. The next prime is 73240207. The reversal of 73240203 is 30204237.

It is a happy number.

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

It is not a de Polignac number, because 73240203 - 2¹ = 73240201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73240203.

It is not an unprimeable number, because it can be changed into a prime (73240201) 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, 5278 + ... + 13203.

It is an arithmetic number, because the mean of its divisors is an integer number (12216602).

Almost surely, 2^73240203 is an apocalyptic number.

73240203 is a deficient number, since it is larger than the sum of its proper divisors (24492613).

73240203 is a wasteful number, since it uses less digits than its factorization.

73240203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19805.

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 73240203 is about 8558.0490183219. The cubic root of 73240203 is about 418.3918149521.

The spelling of 73240203 in words is "seventy-three million, two hundred forty thousand, two hundred three".