73698769 has 2 divisors, whose sum is σ = 73698770. Its totient is φ = 73698768.

The previous prime is 73698767. The next prime is 73698839. The reversal of 73698769 is 96789637.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73616400 + 82369 = 8580^2 + 287^2 .

It is a cyclic number.

It is not a de Polignac number, because 73698769 - 2¹ = 73698767 is a prime.

It is a super-2 number, since 2×73698769² = 10863017104230722, which contains 22 as substring.

Together with 73698767, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (73698761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36849384 + 36849385.

It is an arithmetic number, because the mean of its divisors is an integer number (36849385).

Almost surely, 2^73698769 is an apocalyptic number.

It is an amenable number.

73698769 is a deficient number, since it is larger than the sum of its proper divisors (1).

73698769 is an equidigital number, since it uses as much as digits as its factorization.

73698769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3429216, while the sum is 55.

The square root of 73698769 is about 8584.7987163358. The cubic root of 73698769 is about 419.2631998833.

The spelling of 73698769 in words is "seventy-three million, six hundred ninety-eight thousand, seven hundred sixty-nine".