68375510 has 64 divisors (see below), whose sum is σ = 145704960. Its totient is φ = 22619520.

The previous prime is 68375501. The next prime is 68375539. The reversal of 68375510 is 1557386.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 285971 + ... + 286209.

It is an arithmetic number, because the mean of its divisors is an integer number (2276640).

Almost surely, 2^68375510 is an apocalyptic number.

68375510 is an abundant number, since it is smaller than the sum of its proper divisors (77329450).

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

68375510 is a wasteful number, since it uses less digits than its factorization.

68375510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 68375510 is about 8268.9485425899. The cubic root of 68375510 is about 408.9154560897.

The spelling of 68375510 in words is "sixty-eight million, three hundred seventy-five thousand, five hundred ten".