73886836 has 12 divisors (see below), whose sum is σ = 129362212. Its totient is φ = 36926208.

The previous prime is 73886819. The next prime is 73886837. The reversal of 73886836 is 63868837.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9180900 + 64705936 = 3030^2 + 8044^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 73886836.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73886837) 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, 14116 + ... + 18628.

Almost surely, 2^73886836 is an apocalyptic number.

It is an amenable number.

73886836 is a deficient number, since it is larger than the sum of its proper divisors (55475376).

73886836 is a wasteful number, since it uses less digits than its factorization.

73886836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8610 (or 8608 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 49.

The square root of 73886836 is about 8595.7452265641. The cubic root of 73886836 is about 419.6195269422.

The spelling of 73886836 in words is "seventy-three million, eight hundred eighty-six thousand, eight hundred thirty-six".