7004212421 has 16 divisors (see below), whose sum is σ = 7425651840. Its totient is φ = 6588164160.

The previous prime is 7004212417. The next prime is 7004212427. The reversal of 7004212421 is 1242124007.

It is a cyclic number.

It is not a de Polignac number, because 7004212421 - 2² = 7004212417 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 (7004212427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4538576 + ... + 4540118.

It is an arithmetic number, because the mean of its divisors is an integer number (464103240).

Almost surely, 2^7004212421 is an apocalyptic number.

It is an amenable number.

7004212421 is a deficient number, since it is larger than the sum of its proper divisors (421439419).

7004212421 is a wasteful number, since it uses less digits than its factorization.

7004212421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3116.

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 7004212421 is about 83691.1728977435. The cubic root of 7004212421 is about 1913.3148235174.

Adding to 7004212421 its reverse (1242124007), we get a palindrome (8246336428).

The spelling of 7004212421 in words is "seven billion, four million, two hundred twelve thousand, four hundred twenty-one".