73680518 has 16 divisors (see below), whose sum is σ = 117195120. Its totient is φ = 34644096.

The previous prime is 73680479. The next prime is 73680539. The reversal of 73680518 is 81508637.

It is a Harshad number since it is a multiple of its sum of digits (38).

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 7 ways as a sum of consecutive naturals, for example, 1871 + ... + 12282.

It is an arithmetic number, because the mean of its divisors is an integer number (7324695).

Almost surely, 2^73680518 is an apocalyptic number.

73680518 is a deficient number, since it is larger than the sum of its proper divisors (43514602).

73680518 is a wasteful number, since it uses less digits than its factorization.

73680518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14311.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 73680518 is about 8583.7356669459. The cubic root of 73680518 is about 419.2285877972.

The spelling of 73680518 in words is "seventy-three million, six hundred eighty thousand, five hundred eighteen".