73463543 has 2 divisors, whose sum is σ = 73463544. Its totient is φ = 73463542.

The previous prime is 73463503. The next prime is 73463563. The reversal of 73463543 is 34536437.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73463543 is a prime.

It is a super-2 number, since 2×73463543² = 10793784300225698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73463503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36731771 + 36731772.

It is an arithmetic number, because the mean of its divisors is an integer number (36731772).

Almost surely, 2^73463543 is an apocalyptic number.

73463543 is a deficient number, since it is larger than the sum of its proper divisors (1).

73463543 is an equidigital number, since it uses as much as digits as its factorization.

73463543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 35.

The square root of 73463543 is about 8571.0876205999. The cubic root of 73463543 is about 418.8166672501.

The spelling of 73463543 in words is "seventy-three million, four hundred sixty-three thousand, five hundred forty-three".