73396836 has 18 divisors (see below), whose sum is σ = 185530982. Its totient is φ = 24465600.

The previous prime is 73396831. The next prime is 73396853. The reversal of 73396836 is 63869337.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 72999936 + 396900 = 8544^2 + 630^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 73396791 and 73396800.

It is not an unprimeable number, because it can be changed into a prime (73396831) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1019365 + ... + 1019436.

Almost surely, 2^73396836 is an apocalyptic number.

It is an amenable number.

73396836 is an abundant number, since it is smaller than the sum of its proper divisors (112134146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73396836 is a wasteful number, since it uses less digits than its factorization.

73396836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2038811 (or 2038806 counting only the distinct ones).

The product of its digits is 489888, while the sum is 45.

The square root of 73396836 is about 8567.1953403666. The cubic root of 73396836 is about 418.6898630207.

The spelling of 73396836 in words is "seventy-three million, three hundred ninety-six thousand, eight hundred thirty-six".