68736385257354 has 48 divisors (see below), whose sum is σ = 149128049083104. Its totient is φ = 22881497738400.

The previous prime is 68736385257341. The next prime is 68736385257499. The reversal of 68736385257354 is 45375258363786.

68736385257354 is a `hidden beast` number, since 6 + 8 + 7 + 3 + 63 + 8 + 525 + 7 + 35 + 4 = 666.

It is a super-2 number, since 2×68736385257354² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46023057 + ... + 47493099.

It is an arithmetic number, because the mean of its divisors is an integer number (3106834355898).

Almost surely, 2^{68736385257354} is an apocalyptic number.

68736385257354 is an abundant number, since it is smaller than the sum of its proper divisors (80391663825750).

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

68736385257354 is a wasteful number, since it uses less digits than its factorization.

68736385257354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473523 (or 1473520 counting only the distinct ones).

The product of its digits is 3048192000, while the sum is 72.

The spelling of 68736385257354 in words is "sixty-eight trillion, seven hundred thirty-six billion, three hundred eighty-five million, two hundred fifty-seven thousand, three hundred fifty-four".