7940827 has 4 divisors (see below), whose sum is σ = 8001576. Its totient is φ = 7880080.

The previous prime is 7940813. The next prime is 7940833. The reversal of 7940827 is 7280497.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7280497 = 7 ⋅1040071.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7940827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7940857) 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, 30178 + ... + 30439.

It is an arithmetic number, because the mean of its divisors is an integer number (2000394).

Almost surely, 2^7940827 is an apocalyptic number.

7940827 is a deficient number, since it is larger than the sum of its proper divisors (60749).

7940827 is a wasteful number, since it uses less digits than its factorization.

7940827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60748.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 7940827 is about 2817.9473025591. The cubic root of 7940827 is about 199.5056708668.

The spelling of 7940827 in words is "seven million, nine hundred forty thousand, eight hundred twenty-seven".