6742507 has 2 divisors, whose sum is σ = 6742508. Its totient is φ = 6742506.

The previous prime is 6742493. The next prime is 6742517. The reversal of 6742507 is 7052476.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6742507 is a prime.

It is a super-2 number, since 2×6742507² = 90922801290098, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6742517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3371253 + 3371254.

It is an arithmetic number, because the mean of its divisors is an integer number (3371254).

Almost surely, 2^6742507 is an apocalyptic number.

6742507 is a deficient number, since it is larger than the sum of its proper divisors (1).

6742507 is an equidigital number, since it uses as much as digits as its factorization.

6742507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 6742507 is about 2596.6337824191. The cubic root of 6742507 is about 188.9182013077.

Subtracting from 6742507 its sum of digits (31), we obtain a palindrome (6742476).

The spelling of 6742507 in words is "six million, seven hundred forty-two thousand, five hundred seven".