73421612 has 24 divisors (see below), whose sum is σ = 146264832. Its totient is φ = 31922000.

The previous prime is 73421587. The next prime is 73421617. The reversal of 73421612 is 21612437.

It is not an unprimeable number, because it can be changed into a prime (73421617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35264 + ... + 37287.

It is an arithmetic number, because the mean of its divisors is an integer number (6094368).

Almost surely, 2^73421612 is an apocalyptic number.

It is an amenable number.

73421612 is a deficient number, since it is larger than the sum of its proper divisors (72843220).

73421612 is a wasteful number, since it uses less digits than its factorization.

73421612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72589 (or 72587 counting only the distinct ones).

The product of its digits is 2016, while the sum is 26.

The square root of 73421612 is about 8568.6411991634. The cubic root of 73421612 is about 418.7369690160.

The spelling of 73421612 in words is "seventy-three million, four hundred twenty-one thousand, six hundred twelve".