68472349 has 4 divisors (see below), whose sum is σ = 74697120. Its totient is φ = 62247580.

The previous prime is 68472331. The next prime is 68472361. The reversal of 68472349 is 94327486.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68472349 - 2¹¹ = 68470301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68472319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3112369 + ... + 3112390.

It is an arithmetic number, because the mean of its divisors is an integer number (18674280).

Almost surely, 2^68472349 is an apocalyptic number.

It is an amenable number.

68472349 is a deficient number, since it is larger than the sum of its proper divisors (6224771).

68472349 is a wasteful number, since it uses less digits than its factorization.

68472349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6224770.

The product of its digits is 290304, while the sum is 43.

The square root of 68472349 is about 8274.8020520131. The cubic root of 68472349 is about 409.1084115505.

The spelling of 68472349 in words is "sixty-eight million, four hundred seventy-two thousand, three hundred forty-nine".