7801374004 has 12 divisors (see below), whose sum is σ = 13773223044. Its totient is φ = 3866167424.

The previous prime is 7801373977. The next prime is 7801374017. The reversal of 7801374004 is 4004731087.

It can be written as a sum of positive squares in 2 ways, for example, as 69689104 + 7731684900 = 8348^2 + 87930^2 .

It is a super-2 number, since 2×7801374004² (a number of 21 digits) contains 22 as substring.

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, 8629387 + ... + 8630290.

It is an arithmetic number, because the mean of its divisors is an integer number (1147768587).

Almost surely, 2^7801374004 is an apocalyptic number.

It is an amenable number.

7801374004 is a deficient number, since it is larger than the sum of its proper divisors (5971849040).

7801374004 is a wasteful number, since it uses less digits than its factorization.

7801374004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17259794 (or 17259792 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 7801374004 is about 88325.3870866129. The cubic root of 7801374004 is about 1983.3089251773.

The spelling of 7801374004 in words is "seven billion, eight hundred one million, three hundred seventy-four thousand, four".