68541534 has 12 divisors (see below), whose sum is σ = 148506696. Its totient is φ = 22847172.

The previous prime is 68541521. The next prime is 68541553. The reversal of 68541534 is 43514586.

It is a happy number.

68541534 is a `hidden beast` number, since 6 + 85 + 41 + 534 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1903914 + ... + 1903949.

It is an arithmetic number, because the mean of its divisors is an integer number (12375558).

Almost surely, 2^68541534 is an apocalyptic number.

68541534 is an abundant number, since it is smaller than the sum of its proper divisors (79965162).

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

68541534 is a wasteful number, since it uses less digits than its factorization.

68541534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3807871 (or 3807868 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 68541534 is about 8278.9814590927. The cubic root of 68541534 is about 409.2461539545.

The spelling of 68541534 in words is "sixty-eight million, five hundred forty-one thousand, five hundred thirty-four".