6742651 has 2 divisors, whose sum is σ = 6742652. Its totient is φ = 6742650.

The previous prime is 6742649. The next prime is 6742691. The reversal of 6742651 is 1562476.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6742651 - 2¹ = 6742649 is a prime.

Together with 6742649, it forms a pair of twin primes.

6742651 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (6742691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3371325 + 3371326.

It is an arithmetic number, because the mean of its divisors is an integer number (3371326).

Almost surely, 2^6742651 is an apocalyptic number.

6742651 is a deficient number, since it is larger than the sum of its proper divisors (1).

6742651 is an equidigital number, since it uses as much as digits as its factorization.

6742651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 31.

The square root of 6742651 is about 2596.6615104784. The cubic root of 6742651 is about 188.9195462094.

The spelling of 6742651 in words is "six million, seven hundred forty-two thousand, six hundred fifty-one".