73063140 has 24 divisors (see below), whose sum is σ = 204576960. Its totient is φ = 19483488.

The previous prime is 73063087. The next prime is 73063169. The reversal of 73063140 is 4136037.

It is a self number, because there is not a number n which added to its sum of digits gives 73063140.

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, 608800 + ... + 608919.

It is an arithmetic number, because the mean of its divisors is an integer number (8524040).

Almost surely, 2^73063140 is an apocalyptic number.

It is an amenable number.

73063140 is an abundant number, since it is smaller than the sum of its proper divisors (131513820).

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

73063140 is a wasteful number, since it uses less digits than its factorization.

73063140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217731 (or 1217729 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 73063140 is about 8547.6979357018. The cubic root of 73063140 is about 418.0543796532.

Adding to 73063140 its reverse (4136037), we get a palindrome (77199177).

The spelling of 73063140 in words is "seventy-three million, sixty-three thousand, one hundred forty".