6740157 has 8 divisors (see below), whose sum is σ = 9027040. Its totient is φ = 4473360.

The previous prime is 6740147. The next prime is 6740171. The reversal of 6740157 is 7510476.

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 6740157 - 2⁴ = 6740141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6740137) 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, 4219 + ... + 5592.

It is an arithmetic number, because the mean of its divisors is an integer number (1128380).

Almost surely, 2^6740157 is an apocalyptic number.

It is an amenable number.

6740157 is a deficient number, since it is larger than the sum of its proper divisors (2286883).

6740157 is a wasteful number, since it uses less digits than its factorization.

6740157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10043.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 6740157 is about 2596.1812340436. The cubic root of 6740157 is about 188.8962505525.

The spelling of 6740157 in words is "six million, seven hundred forty thousand, one hundred fifty-seven".