7976040 has 32 divisors (see below), whose sum is σ = 23928480. Its totient is φ = 2126912.

The previous prime is 7975997. The next prime is 7976047. The reversal of 7976040 is 406797.

It is a junction number, because it is equal to n+sod(n) for n = 7975992 and 7976010.

It is not an unprimeable number, because it can be changed into a prime (7976047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33114 + ... + 33353.

It is an arithmetic number, because the mean of its divisors is an integer number (747765).

Almost surely, 2^7976040 is an apocalyptic number.

It is an amenable number.

7976040 is an abundant number, since it is smaller than the sum of its proper divisors (15952440).

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

7976040 is a wasteful number, since it uses less digits than its factorization.

7976040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66481 (or 66477 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 7976040 is about 2824.1883789861. The cubic root of 7976040 is about 199.8001336671.

It can be divided in two parts, 79760 and 40, that added together give a triangular number (79800 = T₃₉₉).

The spelling of 7976040 in words is "seven million, nine hundred seventy-six thousand, forty".