7674270421 has 2 divisors, whose sum is σ = 7674270422. Its totient is φ = 7674270420.

The previous prime is 7674270419. The next prime is 7674270437. The reversal of 7674270421 is 1240724767.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6717605521 + 956664900 = 81961^2 + 30930^2 .

It is a cyclic number.

It is not a de Polignac number, because 7674270421 - 2¹ = 7674270419 is a prime.

Together with 7674270419, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7674210421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3837135210 + 3837135211.

It is an arithmetic number, because the mean of its divisors is an integer number (3837135211).

Almost surely, 2^7674270421 is an apocalyptic number.

It is an amenable number.

7674270421 is a deficient number, since it is larger than the sum of its proper divisors (1).

7674270421 is an equidigital number, since it uses as much as digits as its factorization.

7674270421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 131712, while the sum is 40.

The square root of 7674270421 is about 87602.9133134281. The cubic root of 7674270421 is about 1972.4789000095.

The spelling of 7674270421 in words is "seven billion, six hundred seventy-four million, two hundred seventy thousand, four hundred twenty-one".