68530371 has 64 divisors (see below), whose sum is σ = 118272000. Its totient is φ = 35054208.

The previous prime is 68530351. The next prime is 68530373. The reversal of 68530371 is 17303586.

It is a happy number.

It is not a de Polignac number, because 68530371 - 2⁵ = 68530339 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68530373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 628665 + ... + 628773.

It is an arithmetic number, because the mean of its divisors is an integer number (1848000).

Almost surely, 2^68530371 is an apocalyptic number.

68530371 is a deficient number, since it is larger than the sum of its proper divisors (49741629).

68530371 is a wasteful number, since it uses less digits than its factorization.

68530371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 68530371 is about 8278.3072545056. The cubic root of 68530371 is about 409.2239354903.

The spelling of 68530371 in words is "sixty-eight million, five hundred thirty thousand, three hundred seventy-one".