73148503 has 2 divisors, whose sum is σ = 73148504. Its totient is φ = 73148502.

The previous prime is 73148489. The next prime is 73148507. The reversal of 73148503 is 30584137.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73148503 is a prime.

It is a super-2 number, since 2×73148503² = 10701406982282018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73148507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36574251 + 36574252.

It is an arithmetic number, because the mean of its divisors is an integer number (36574252).

Almost surely, 2^73148503 is an apocalyptic number.

73148503 is a deficient number, since it is larger than the sum of its proper divisors (1).

73148503 is an equidigital number, since it uses as much as digits as its factorization.

73148503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 73148503 is about 8552.6898108139. The cubic root of 73148503 is about 418.2171269565.

The spelling of 73148503 in words is "seventy-three million, one hundred forty-eight thousand, five hundred three".