7949312 has 44 divisors (see below), whose sum is σ = 18177360. Its totient is φ = 3403776.

The previous prime is 7949309. The next prime is 7949317. The reversal of 7949312 is 2139497.

It is a super-2 number, since 2×7949312² = 126383122546688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7949317) 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, 6614 + ... + 7722.

Almost surely, 2^7949312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7949312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9088680).

7949312 is an abundant number, since it is smaller than the sum of its proper divisors (10228048).

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

7949312 is a wasteful number, since it uses less digits than its factorization.

7949312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136 (or 1118 counting only the distinct ones).

The product of its digits is 13608, while the sum is 35.

The square root of 7949312 is about 2819.4524291075. The cubic root of 7949312 is about 199.5767047377.

The spelling of 7949312 in words is "seven million, nine hundred forty-nine thousand, three hundred twelve".