73477543 has 2 divisors, whose sum is σ = 73477544. Its totient is φ = 73477542.

The previous prime is 73477517. The next prime is 73477559. The reversal of 73477543 is 34577437.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73477543 - 2⁵ = 73477511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73477496 and 73477505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73477513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36738771 + 36738772.

It is an arithmetic number, because the mean of its divisors is an integer number (36738772).

Almost surely, 2^73477543 is an apocalyptic number.

73477543 is a deficient number, since it is larger than the sum of its proper divisors (1).

73477543 is an equidigital number, since it uses as much as digits as its factorization.

73477543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 246960, while the sum is 40.

The square root of 73477543 is about 8571.9042808468. The cubic root of 73477543 is about 418.8432702909.

Subtracting from 73477543 its sum of digits (40), we obtain a triangular number (73477503 = T₁₂₁₂₂).

The spelling of 73477543 in words is "seventy-three million, four hundred seventy-seven thousand, five hundred forty-three".