7949742 has 8 divisors (see below), whose sum is σ = 15899496. Its totient is φ = 2649912.

The previous prime is 7949737. The next prime is 7949759. The reversal of 7949742 is 2479497.

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

7949742 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 7949694 and 7949703.

It is a congruent 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, 662473 + ... + 662484.

It is an arithmetic number, because the mean of its divisors is an integer number (1987437).

Almost surely, 2^7949742 is an apocalyptic number.

7949742 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7949742 is a wasteful number, since it uses less digits than its factorization.

7949742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324962.

The product of its digits is 127008, while the sum is 42.

The square root of 7949742 is about 2819.5286840180. The cubic root of 7949742 is about 199.5803032225.

The spelling of 7949742 in words is "seven million, nine hundred forty-nine thousand, seven hundred forty-two".