73947103 has 4 divisors (see below), whose sum is σ = 74026960. Its totient is φ = 73867248.

The previous prime is 73947079. The next prime is 73947109. The reversal of 73947103 is 30174937.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30174937 = 13 ⋅2321149.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73947103 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 (73947109) 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, 38523 + ... + 40396.

It is an arithmetic number, because the mean of its divisors is an integer number (18506740).

Almost surely, 2^73947103 is an apocalyptic number.

73947103 is a deficient number, since it is larger than the sum of its proper divisors (79857).

73947103 is an equidigital number, since it uses as much as digits as its factorization.

73947103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79856.

The product of its (nonzero) digits is 15876, while the sum is 34.

The square root of 73947103 is about 8599.2501417275. The cubic root of 73947103 is about 419.7335857681.

The spelling of 73947103 in words is "seventy-three million, nine hundred forty-seven thousand, one hundred three".