73006477 has 2 divisors, whose sum is σ = 73006478. Its totient is φ = 73006476.

The previous prime is 73006469. The next prime is 73006489. The reversal of 73006477 is 77460037.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61371556 + 11634921 = 7834^2 + 3411^2 .

It is an emirp because it is prime and its reverse (77460037) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73006477 - 2³ = 73006469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73006277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36503238 + 36503239.

It is an arithmetic number, because the mean of its divisors is an integer number (36503239).

Almost surely, 2^73006477 is an apocalyptic number.

It is an amenable number.

73006477 is a deficient number, since it is larger than the sum of its proper divisors (1).

73006477 is an equidigital number, since it uses as much as digits as its factorization.

73006477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24696, while the sum is 34.

The square root of 73006477 is about 8544.3827746655. The cubic root of 73006477 is about 417.9462798114.

The spelling of 73006477 in words is "seventy-three million, six thousand, four hundred seventy-seven".