68544510 has 32 divisors (see below), whose sum is σ = 174184992. Its totient is φ = 17203200.

The previous prime is 68544449. The next prime is 68544547. The reversal of 68544510 is 1544586.

It is a super-2 number, since 2×68544510² = 9396699702280200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66691 + ... + 67710.

It is an arithmetic number, because the mean of its divisors is an integer number (5443281).

Almost surely, 2^68544510 is an apocalyptic number.

68544510 is an abundant number, since it is smaller than the sum of its proper divisors (105640482).

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

68544510 is a wasteful number, since it uses less digits than its factorization.

68544510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134428.

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 68544510 is about 8279.1611893959. The cubic root of 68544510 is about 409.2520768787.

The spelling of 68544510 in words is "sixty-eight million, five hundred forty-four thousand, five hundred ten".