7000438146 has 64 divisors (see below), whose sum is σ = 15432681600. Its totient is φ = 2103768576.

The previous prime is 7000438111. The next prime is 7000438153. The reversal of 7000438146 is 6418340007.

It is a super-2 number, since 2×7000438146² = 98012268471943834632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 717670 + ... + 727358.

It is an arithmetic number, because the mean of its divisors is an integer number (241135650).

Almost surely, 2^7000438146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7000438146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7716340800).

7000438146 is an abundant number, since it is smaller than the sum of its proper divisors (8432243454).

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

7000438146 is a wasteful number, since it uses less digits than its factorization.

7000438146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9923.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 7000438146 is about 83668.6210356069. The cubic root of 7000438146 is about 1912.9710935181.

The spelling of 7000438146 in words is "seven billion, four hundred thirty-eight thousand, one hundred forty-six".