6747157 has 4 divisors (see below), whose sum is σ = 6763680. Its totient is φ = 6730636.

The previous prime is 6747127. The next prime is 6747163. The reversal of 6747157 is 7517476.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6747157 - 2¹⁹ = 6222869 is a prime.

It is a Duffinian number.

6747157 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6747107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7633 + ... + 8470.

It is an arithmetic number, because the mean of its divisors is an integer number (1690920).

Almost surely, 2^6747157 is an apocalyptic number.

It is an amenable number.

6747157 is a deficient number, since it is larger than the sum of its proper divisors (16523).

6747157 is a wasteful number, since it uses less digits than its factorization.

6747157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16522.

The product of its digits is 41160, while the sum is 37.

The square root of 6747157 is about 2597.5290181247. The cubic root of 6747157 is about 188.9616207542.

It can be divided in two parts, 67471 and 57, that added together give a triangular number (67528 = T₃₆₇).

The spelling of 6747157 in words is "six million, seven hundred forty-seven thousand, one hundred fifty-seven".