73836869 has 4 divisors (see below), whose sum is σ = 77723040. Its totient is φ = 69950700.

The previous prime is 73836853. The next prime is 73836937. The reversal of 73836869 is 96863837.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 73836869 - 2⁴ = 73836853 is a prime.

It is a super-2 number, since 2×73836869² = 10903766447446322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73836569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1943057 + ... + 1943094.

It is an arithmetic number, because the mean of its divisors is an integer number (19430760).

Almost surely, 2^73836869 is an apocalyptic number.

It is an amenable number.

73836869 is a deficient number, since it is larger than the sum of its proper divisors (3886171).

73836869 is a wasteful number, since it uses less digits than its factorization.

73836869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3886170.

The product of its digits is 1306368, while the sum is 50.

The square root of 73836869 is about 8592.8382389057. The cubic root of 73836869 is about 419.5249144318.

The spelling of 73836869 in words is "seventy-three million, eight hundred thirty-six thousand, eight hundred sixty-nine".