73698761 has 2 divisors, whose sum is σ = 73698762. Its totient is φ = 73698760.

The previous prime is 73698743. The next prime is 73698763. The reversal of 73698761 is 16789637.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57093136 + 16605625 = 7556^2 + 4075^2 .

It is a cyclic number.

It is not a de Polignac number, because 73698761 - 2⁶ = 73698697 is a prime.

Together with 73698763, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (73698763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36849380 + 36849381.

It is an arithmetic number, because the mean of its divisors is an integer number (36849381).

Almost surely, 2^73698761 is an apocalyptic number.

It is an amenable number.

73698761 is a deficient number, since it is larger than the sum of its proper divisors (1).

73698761 is an equidigital number, since it uses as much as digits as its factorization.

73698761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 381024, while the sum is 47.

The square root of 73698761 is about 8584.7982503959. The cubic root of 73698761 is about 419.2631847129.

The spelling of 73698761 in words is "seventy-three million, six hundred ninety-eight thousand, seven hundred sixty-one".