421727149 has 8 divisors (see below), whose sum is σ = 446262912. Its totient is φ = 397708080.

The previous prime is 421727093. The next prime is 421727153. The reversal of 421727149 is 941727124.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-421727149 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 (421727549) 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, 127494 + ... + 130759.

It is an arithmetic number, because the mean of its divisors is an integer number (55782864).

Almost surely, 2^421727149 is an apocalyptic number.

It is an amenable number.

421727149 is a deficient number, since it is larger than the sum of its proper divisors (24535763).

421727149 is a wasteful number, since it uses less digits than its factorization.

421727149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258347.

The product of its digits is 28224, while the sum is 37.

The square root of 421727149 is about 20535.9964209190. The cubic root of 421727149 is about 749.9123743553.

The spelling of 421727149 in words is "four hundred twenty-one million, seven hundred twenty-seven thousand, one hundred forty-nine".