68297530549824 has 105 divisors (see below), whose sum is σ = 202457040081681. Its totient is φ = 22765645175040.

The previous prime is 68297530549811. The next prime is 68297530549891. The reversal of 68297530549824 is 42894503579286.

The square root of 68297530549824 is 8264232.

It is a perfect power (a square), and thus also a powerful number.

68297530549824 is a `hidden beast` number, since 6 + 8 + 2 + 9 + 7 + 53 + 0 + 549 + 8 + 24 = 666.

It can be written as a sum of positive squares in only one way, i.e., 143920079424 + 68153610470400 = 379368^2 + 8255520^2 .

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 594967314 + ... + 595082094.

Almost surely, 2^{68297530549824} is an apocalyptic number.

68297530549824 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

68297530549824 is the 8264232-nd square number.

It is an amenable number.

68297530549824 is an abundant number, since it is smaller than the sum of its proper divisors (134159509531857).

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

68297530549824 is an frugal number, since it uses more digits than its factorization.

68297530549824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229586 (or 114786 counting only the distinct ones).

The product of its (nonzero) digits is 1045094400, while the sum is 72.

The spelling of 68297530549824 in words is "sixty-eight trillion, two hundred ninety-seven billion, five hundred thirty million, five hundred forty-nine thousand, eight hundred twenty-four".