68477849 has 8 divisors (see below), whose sum is σ = 75152448. Its totient is φ = 61878160.

The previous prime is 68477839. The next prime is 68477863. The reversal of 68477849 is 94877486.

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 68477849 - 2²⁰ = 67429273 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 68477849.

It is not an unprimeable number, because it can be changed into a prime (68477809) 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, 16802 + ... + 20475.

It is an arithmetic number, because the mean of its divisors is an integer number (9394056).

Almost surely, 2^68477849 is an apocalyptic number.

It is an amenable number.

68477849 is a deficient number, since it is larger than the sum of its proper divisors (6674599).

68477849 is a wasteful number, since it uses less digits than its factorization.

68477849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37455.

The product of its digits is 2709504, while the sum is 53.

The square root of 68477849 is about 8275.1343795735. The cubic root of 68477849 is about 409.1193650524.

The spelling of 68477849 in words is "sixty-eight million, four hundred seventy-seven thousand, eight hundred forty-nine".