73513268 has 6 divisors (see below), whose sum is σ = 128648226. Its totient is φ = 36756632.

The previous prime is 73513259. The next prime is 73513291. The reversal of 73513268 is 86231537.

It can be written as a sum of positive squares in only one way, i.e., 54346384 + 19166884 = 7372^2 + 4378^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9189155 + ... + 9189162.

It is an arithmetic number, because the mean of its divisors is an integer number (21441371).

Almost surely, 2^73513268 is an apocalyptic number.

It is an amenable number.

73513268 is a deficient number, since it is larger than the sum of its proper divisors (55134958).

73513268 is a wasteful number, since it uses less digits than its factorization.

73513268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18378321 (or 18378319 counting only the distinct ones).

The product of its digits is 30240, while the sum is 35.

The square root of 73513268 is about 8573.9878702970. The cubic root of 73513268 is about 418.9111402406.

The spelling of 73513268 in words is "seventy-three million, five hundred thirteen thousand, two hundred sixty-eight".