73003481 has 4 divisors (see below), whose sum is σ = 75358464. Its totient is φ = 70648500.

The previous prime is 73003451. The next prime is 73003487. The reversal of 73003481 is 18430037.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 73003481 - 2⁶ = 73003417 is a prime.

It is a super-2 number, since 2×73003481² = 10659016476234722, which contains 22 as substring.

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 73003481.

It is not an unprimeable number, because it can be changed into a prime (73003487) 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, 1177445 + ... + 1177506.

It is an arithmetic number, because the mean of its divisors is an integer number (18839616).

Almost surely, 2^73003481 is an apocalyptic number.

It is an amenable number.

73003481 is a deficient number, since it is larger than the sum of its proper divisors (2354983).

73003481 is a wasteful number, since it uses less digits than its factorization.

73003481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2354982.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 73003481 is about 8544.2074530058. The cubic root of 73003481 is about 417.9405625826.

The spelling of 73003481 in words is "seventy-three million, three thousand, four hundred eighty-one".