2427072421 has 8 divisors (see below), whose sum is σ = 2450919744. Its totient is φ = 2403266880.

The previous prime is 2427072413. The next prime is 2427072451. The reversal of 2427072421 is 1242707242.

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 2427072421 - 2³ = 2427072413 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 (2427072451) 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, 113440 + ... + 133126.

It is an arithmetic number, because the mean of its divisors is an integer number (306364968).

Almost surely, 2^2427072421 is an apocalyptic number.

It is an amenable number.

2427072421 is a deficient number, since it is larger than the sum of its proper divisors (23847323).

2427072421 is a wasteful number, since it uses less digits than its factorization.

2427072421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20891.

The product of its (nonzero) digits is 12544, while the sum is 31.

The square root of 2427072421 is about 49265.3267623386. The cubic root of 2427072421 is about 1343.8813030346.

Adding to 2427072421 its reverse (1242707242), we get a palindrome (3669779663).

The spelling of 2427072421 in words is "two billion, four hundred twenty-seven million, seventy-two thousand, four hundred twenty-one".