73613612 has 12 divisors (see below), whose sum is σ = 129015096. Its totient is φ = 36752160.

The previous prime is 73613611. The next prime is 73613633. The reversal of 73613612 is 21631637.

73613612 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

73613612 is strictly pandigital in base 9.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (73613611) 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, 10553 + ... + 16080.

It is an arithmetic number, because the mean of its divisors is an integer number (10751258).

Almost surely, 2^73613612 is an apocalyptic number.

It is an amenable number.

73613612 is a deficient number, since it is larger than the sum of its proper divisors (55401484).

73613612 is a wasteful number, since it uses less digits than its factorization.

73613612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27328 (or 27326 counting only the distinct ones).

The product of its digits is 4536, while the sum is 29.

The square root of 73613612 is about 8579.8375275992. The cubic root of 73613612 is about 419.1016550931.

The spelling of 73613612 in words is "seventy-three million, six hundred thirteen thousand, six hundred twelve".