73457077 has 2 divisors, whose sum is σ = 73457078. Its totient is φ = 73457076.

The previous prime is 73457063. The next prime is 73457081. The reversal of 73457077 is 77075437.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61685316 + 11771761 = 7854^2 + 3431^2 .

It is an emirp because it is prime and its reverse (77075437) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73457077 - 2¹¹ = 73455029 is a prime.

It is a super-2 number, since 2×73457077² = 10791884322767858, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73457057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36728538 + 36728539.

It is an arithmetic number, because the mean of its divisors is an integer number (36728539).

Almost surely, 2^73457077 is an apocalyptic number.

It is an amenable number.

73457077 is a deficient number, since it is larger than the sum of its proper divisors (1).

73457077 is an equidigital number, since it uses as much as digits as its factorization.

73457077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144060, while the sum is 40.

The square root of 73457077 is about 8570.7104139622. The cubic root of 73457077 is about 418.8043793046.

The spelling of 73457077 in words is "seventy-three million, four hundred fifty-seven thousand, seventy-seven".