68315562 has 96 divisors (see below), whose sum is σ = 179891712. Its totient is φ = 19023984.

The previous prime is 68315549. The next prime is 68315573. The reversal of 68315562 is 26551386.

68315562 is a `hidden beast` number, since 6 + 83 + 15 + 562 = 666.

It is a super-2 number, since 2×68315562² = 9334032022751688, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 146053 + ... + 146519.

It is an arithmetic number, because the mean of its divisors is an integer number (1873872).

Almost surely, 2^68315562 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68315562, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89945856).

68315562 is an abundant number, since it is smaller than the sum of its proper divisors (111576150).

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

68315562 is a wasteful number, since it uses less digits than its factorization.

68315562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534 (or 522 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 68315562 is about 8265.3228612075. The cubic root of 68315562 is about 408.7959160607.

The spelling of 68315562 in words is "sixty-eight million, three hundred fifteen thousand, five hundred sixty-two".