73877473 has 2 divisors, whose sum is σ = 73877474. Its totient is φ = 73877472.

The previous prime is 73877459. The next prime is 73877497. The reversal of 73877473 is 37477837.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56430144 + 17447329 = 7512^2 + 4177^2 .

It is a cyclic number.

It is not a de Polignac number, because 73877473 - 2²¹ = 71780321 is a prime.

It is not a weakly prime, because it can be changed into another prime (73877443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36938736 + 36938737.

It is an arithmetic number, because the mean of its divisors is an integer number (36938737).

Almost surely, 2^73877473 is an apocalyptic number.

It is an amenable number.

73877473 is a deficient number, since it is larger than the sum of its proper divisors (1).

73877473 is an equidigital number, since it uses as much as digits as its factorization.

73877473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 691488, while the sum is 46.

The square root of 73877473 is about 8595.2005793931. The cubic root of 73877473 is about 419.6018013507.

The spelling of 73877473 in words is "seventy-three million, eight hundred seventy-seven thousand, four hundred seventy-three".