73696657 has 2 divisors, whose sum is σ = 73696658. Its totient is φ = 73696656.

The previous prime is 73696633. The next prime is 73696661. The reversal of 73696657 is 75669637.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57017601 + 16679056 = 7551^2 + 4084^2 .

It is a cyclic number.

It is not a de Polignac number, because 73696657 - 2⁷ = 73696529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73696657.

It is not a weakly prime, because it can be changed into another prime (73696697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36848328 + 36848329.

It is an arithmetic number, because the mean of its divisors is an integer number (36848329).

Almost surely, 2^73696657 is an apocalyptic number.

It is an amenable number.

73696657 is a deficient number, since it is larger than the sum of its proper divisors (1).

73696657 is an equidigital number, since it uses as much as digits as its factorization.

73696657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1428840, while the sum is 49.

The square root of 73696657 is about 8584.6757073287. The cubic root of 73696657 is about 419.2591948759.

The spelling of 73696657 in words is "seventy-three million, six hundred ninety-six thousand, six hundred fifty-seven".