68735380 has 24 divisors (see below), whose sum is σ = 164965248. Its totient is φ = 23566368.

The previous prime is 68735377. The next prime is 68735399. The reversal of 68735380 is 8353786.

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, 245344 + ... + 245623.

It is an arithmetic number, because the mean of its divisors is an integer number (6873552).

Almost surely, 2^68735380 is an apocalyptic number.

It is an amenable number.

68735380 is an abundant number, since it is smaller than the sum of its proper divisors (96229868).

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

68735380 is a wasteful number, since it uses less digits than its factorization.

68735380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490983 (or 490981 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 68735380 is about 8290.6803098419. The cubic root of 68735380 is about 409.6315945096.

The spelling of 68735380 in words is "sixty-eight million, seven hundred thirty-five thousand, three hundred eighty".