2747157 has 8 divisors (see below), whose sum is σ = 4186176. Its totient is φ = 1569792.

The previous prime is 2747131. The next prime is 2747161. The reversal of 2747157 is 7517472.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2747157 - 2⁶ = 2747093 is a prime.

2747157 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2747117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65388 + ... + 65429.

It is an arithmetic number, because the mean of its divisors is an integer number (523272).

2^2747157 is an apocalyptic number.

It is an amenable number.

2747157 is a deficient number, since it is larger than the sum of its proper divisors (1439019).

2747157 is a wasteful number, since it uses less digits than its factorization.

2747157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130827.

The product of its digits is 13720, while the sum is 33.

The square root of 2747157 is about 1657.4549767641. The cubic root of 2747157 is about 140.0536698989.

The spelling of 2747157 in words is "two million, seven hundred forty-seven thousand, one hundred fifty-seven".