73423477 has 2 divisors, whose sum is σ = 73423478. Its totient is φ = 73423476.

The previous prime is 73423453. The next prime is 73423499. The reversal of 73423477 is 77432437.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59814756 + 13608721 = 7734^2 + 3689^2 .

It is an emirp because it is prime and its reverse (77432437) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73423477 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73421477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36711738 + 36711739.

It is an arithmetic number, because the mean of its divisors is an integer number (36711739).

Almost surely, 2^73423477 is an apocalyptic number.

It is an amenable number.

73423477 is a deficient number, since it is larger than the sum of its proper divisors (1).

73423477 is an equidigital number, since it uses as much as digits as its factorization.

73423477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 98784, while the sum is 37.

The square root of 73423477 is about 8568.7500255288. The cubic root of 73423477 is about 418.7405144655.

The spelling of 73423477 in words is "seventy-three million, four hundred twenty-three thousand, four hundred seventy-seven".