68477547 has 8 divisors (see below), whose sum is σ = 96674256. Its totient is φ = 42966272.

The previous prime is 68477531. The next prime is 68477561. The reversal of 68477547 is 74577486.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68477547 - 2⁴ = 68477531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68477496 and 68477505.

It is not an unprimeable number, because it can be changed into a prime (68477527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 671298 + ... + 671399.

It is an arithmetic number, because the mean of its divisors is an integer number (12084282).

Almost surely, 2^68477547 is an apocalyptic number.

68477547 is a deficient number, since it is larger than the sum of its proper divisors (28196709).

68477547 is a wasteful number, since it uses less digits than its factorization.

68477547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342717.

The product of its digits is 1317120, while the sum is 48.

The square root of 68477547 is about 8275.1161321156. The cubic root of 68477547 is about 409.1187636208.

The spelling of 68477547 in words is "sixty-eight million, four hundred seventy-seven thousand, five hundred forty-seven".