73872103 has 2 divisors, whose sum is σ = 73872104. Its totient is φ = 73872102.

The previous prime is 73872083. The next prime is 73872137. The reversal of 73872103 is 30127837.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73872103 - 2⁹ = 73871591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73872173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36936051 + 36936052.

It is an arithmetic number, because the mean of its divisors is an integer number (36936052).

Almost surely, 2^73872103 is an apocalyptic number.

73872103 is a deficient number, since it is larger than the sum of its proper divisors (1).

73872103 is an equidigital number, since it uses as much as digits as its factorization.

73872103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 73872103 is about 8594.8881900814. Note that the first 3 decimals coincide. The cubic root of 73872103 is about 419.5916344434.

The spelling of 73872103 in words is "seventy-three million, eight hundred seventy-two thousand, one hundred three".