7040008 has 8 divisors (see below), whose sum is σ = 13200030. Its totient is φ = 3520000.

The previous prime is 7039997. The next prime is 7040009. The reversal of 7040008 is 8000407.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4088484 + 2951524 = 2022^2 + 1718^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (7040009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 439993 + ... + 440008.

Almost surely, 2^7040008 is an apocalyptic number.

It is an amenable number.

7040008 is a deficient number, since it is larger than the sum of its proper divisors (6160022).

7040008 is a wasteful number, since it uses less digits than its factorization.

7040008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880007 (or 880003 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 7040008 is about 2653.3013398406. The cubic root of 7040008 is about 191.6568668798.

The spelling of 7040008 in words is "seven million, forty thousand, eight".