73436312 has 8 divisors (see below), whose sum is σ = 137693100. Its totient is φ = 36718152.

The previous prime is 73436299. The next prime is 73436317. The reversal of 73436312 is 21363437.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×73436312² = 10785783840322688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73436317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4589762 + ... + 4589777.

Almost surely, 2^73436312 is an apocalyptic number.

It is an amenable number.

73436312 is a deficient number, since it is larger than the sum of its proper divisors (64256788).

73436312 is a wasteful number, since it uses less digits than its factorization.

73436312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9179545 (or 9179541 counting only the distinct ones).

The product of its digits is 9072, while the sum is 29.

The square root of 73436312 is about 8569.4989351770. The cubic root of 73436312 is about 418.7649127532.

Adding to 73436312 its reverse (21363437), we get a palindrome (94799749).

The spelling of 73436312 in words is "seventy-three million, four hundred thirty-six thousand, three hundred twelve".