6540074 has 8 divisors (see below), whose sum is σ = 10049508. Its totient is φ = 3190240.

The previous prime is 6540067. The next prime is 6540103. The reversal of 6540074 is 4700456.

It can be written as a sum of positive squares in 2 ways, for example, as 6285049 + 255025 = 2507^2 + 505^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39797 + ... + 39960.

Almost surely, 2^6540074 is an apocalyptic number.

6540074 is a deficient number, since it is larger than the sum of its proper divisors (3509434).

6540074 is a wasteful number, since it uses less digits than its factorization.

6540074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79800.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 6540074 is about 2557.3568386129. The cubic root of 6540074 is about 187.0083022232.

The spelling of 6540074 in words is "six million, five hundred forty thousand, seventy-four".