6774151 has 4 divisors (see below), whose sum is σ = 6992704. Its totient is φ = 6555600.

The previous prime is 6774149. The next prime is 6774179. The reversal of 6774151 is 1514776.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6774151 - 2¹ = 6774149 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 218521 = 6774151 / (6 + 7 + 7 + 4 + 1 + 5 + 1).

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6774101) 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, 109230 + ... + 109291.

It is an arithmetic number, because the mean of its divisors is an integer number (1748176).

Almost surely, 2^6774151 is an apocalyptic number.

6774151 is a deficient number, since it is larger than the sum of its proper divisors (218553).

6774151 is a wasteful number, since it uses less digits than its factorization.

6774151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218552.

The product of its digits is 5880, while the sum is 31.

The square root of 6774151 is about 2602.7199234647. The cubic root of 6774151 is about 189.2132844110.

The spelling of 6774151 in words is "six million, seven hundred seventy-four thousand, one hundred fifty-one".