68599120 has 40 divisors (see below), whose sum is σ = 167891040. Its totient is φ = 25994880.

The previous prime is 68599103. The next prime is 68599127. The reversal of 68599120 is 2199586.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68599127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21046 + ... + 24085.

It is an arithmetic number, because the mean of its divisors is an integer number (4197276).

Almost surely, 2^68599120 is an apocalyptic number.

It is an amenable number.

68599120 is an abundant number, since it is smaller than the sum of its proper divisors (99291920).

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

68599120 is a wasteful number, since it uses less digits than its factorization.

68599120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45163 (or 45157 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 68599120 is about 8282.4585721874. The cubic root of 68599120 is about 409.3607329099.

The spelling of 68599120 in words is "sixty-eight million, five hundred ninety-nine thousand, one hundred twenty".