73412657 has 2 divisors, whose sum is σ = 73412658. Its totient is φ = 73412656.

The previous prime is 73412639. The next prime is 73412671. The reversal of 73412657 is 75621437.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70576801 + 2835856 = 8401^2 + 1684^2 .

It is a cyclic number.

It is not a de Polignac number, because 73412657 - 2²² = 69218353 is a prime.

It is a Chen prime.

It is equal to p_4306787 and since 73412657 and 4306787 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (73412627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36706328 + 36706329.

It is an arithmetic number, because the mean of its divisors is an integer number (36706329).

Almost surely, 2^73412657 is an apocalyptic number.

It is an amenable number.

73412657 is a deficient number, since it is larger than the sum of its proper divisors (1).

73412657 is an equidigital number, since it uses as much as digits as its factorization.

73412657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35280, while the sum is 35.

The square root of 73412657 is about 8568.1186383009. The cubic root of 73412657 is about 418.7199443194.

The spelling of 73412657 in words is "seventy-three million, four hundred twelve thousand, six hundred fifty-seven".