68270421 has 8 divisors (see below), whose sum is σ = 91536480. Its totient is φ = 45258992.

The previous prime is 68270399. The next prime is 68270479. The reversal of 68270421 is 12407286.

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 68270421 - 2¹⁴ = 68254037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68270221) 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, 63030 + ... + 64103.

It is an arithmetic number, because the mean of its divisors is an integer number (11442060).

Almost surely, 2^68270421 is an apocalyptic number.

It is an amenable number.

68270421 is a deficient number, since it is larger than the sum of its proper divisors (23266059).

68270421 is a wasteful number, since it uses less digits than its factorization.

68270421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127315.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 68270421 is about 8262.5916636368. The cubic root of 68270421 is about 408.7058559440.

The spelling of 68270421 in words is "sixty-eight million, two hundred seventy thousand, four hundred twenty-one".