7948742 has 4 divisors (see below), whose sum is σ = 11923116. Its totient is φ = 3974370.

The previous prime is 7948723. The next prime is 7948757. The reversal of 7948742 is 2478497.

7948742 is nontrivially palindromic in base 12.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 7948742.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1987184 + ... + 1987187.

It is an arithmetic number, because the mean of its divisors is an integer number (2980779).

Almost surely, 2^7948742 is an apocalyptic number.

7948742 is a deficient number, since it is larger than the sum of its proper divisors (3974374).

7948742 is a wasteful number, since it uses less digits than its factorization.

7948742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3974373.

The product of its digits is 112896, while the sum is 41.

The square root of 7948742 is about 2819.3513438378. The cubic root of 7948742 is about 199.5719344531.

The spelling of 7948742 in words is "seven million, nine hundred forty-eight thousand, seven hundred forty-two".