73402224 has 40 divisors (see below), whose sum is σ = 216712320. Its totient is φ = 20971968.

The previous prime is 73402213. The next prime is 73402237. The reversal of 73402224 is 42220437.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 73402194 and 73402203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108894 + ... + 109565.

It is an arithmetic number, because the mean of its divisors is an integer number (5417808).

Almost surely, 2^73402224 is an apocalyptic number.

It is an amenable number.

73402224 is an abundant number, since it is smaller than the sum of its proper divisors (143310096).

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

73402224 is a wasteful number, since it uses less digits than its factorization.

73402224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218477 (or 218471 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 73402224 is about 8567.5097898981. The cubic root of 73402224 is about 418.7001079936.

The spelling of 73402224 in words is "seventy-three million, four hundred two thousand, two hundred twenty-four".