73681245 has 96 divisors (see below), whose sum is σ = 149385600. Its totient is φ = 34525440.

The previous prime is 73681211. The next prime is 73681253. The reversal of 73681245 is 54218637.

It is not a de Polignac number, because 73681245 - 2¹⁴ = 73664861 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 494431 + ... + 494579.

It is an arithmetic number, because the mean of its divisors is an integer number (1556100).

Almost surely, 2^73681245 is an apocalyptic number.

It is an amenable number.

73681245 is an abundant number, since it is smaller than the sum of its proper divisors (75704355).

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

73681245 is a wasteful number, since it uses less digits than its factorization.

73681245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 205 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 73681245 is about 8583.7780143711. The cubic root of 73681245 is about 419.2299666248.

The spelling of 73681245 in words is "seventy-three million, six hundred eighty-one thousand, two hundred forty-five".