7936427 has 4 divisors (see below), whose sum is σ = 7956816. Its totient is φ = 7916040.

The previous prime is 7936421. The next prime is 7936429. The reversal of 7936427 is 7246397.

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 7936427 - 2¹⁴ = 7920043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7936421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9599 + ... + 10392.

It is an arithmetic number, because the mean of its divisors is an integer number (1989204).

Almost surely, 2^7936427 is an apocalyptic number.

7936427 is a deficient number, since it is larger than the sum of its proper divisors (20389).

7936427 is a wasteful number, since it uses less digits than its factorization.

7936427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20388.

The product of its digits is 63504, while the sum is 38.

The square root of 7936427 is about 2817.1664842533. The cubic root of 7936427 is about 199.4688154639.

The spelling of 7936427 in words is "seven million, nine hundred thirty-six thousand, four hundred twenty-seven".