7004007400 has 48 divisors (see below), whose sum is σ = 17536963500. Its totient is φ = 2586094080.

The previous prime is 7004007377. The next prime is 7004007401. The reversal of 7004007400 is 47004007.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1857092836 + 5146914564 = 43094^2 + 71742^2 .

It is a super-2 number, since 2×7004007400² = 98112239318509520000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7004007401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1344325 + ... + 1349524.

Almost surely, 2^7004007400 is an apocalyptic number.

It is an amenable number.

7004007400 is an abundant number, since it is smaller than the sum of its proper divisors (10532956100).

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

7004007400 is a wasteful number, since it uses less digits than its factorization.

7004007400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2693878 (or 2693869 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 22.

The square root of 7004007400 is about 83689.9480224477. The cubic root of 7004007400 is about 1913.2961550590.

The spelling of 7004007400 in words is "seven billion, four million, seven thousand, four hundred".