7143297420 has 96 divisors (see below), whose sum is σ = 23325120000. Its totient is φ = 1632748992.

The previous prime is 7143297389. The next prime is 7143297521. The reversal of 7143297420 is 247923417.

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, 152970 + ... + 194129.

It is an arithmetic number, because the mean of its divisors is an integer number (242970000).

Almost surely, 2^7143297420 is an apocalyptic number.

7143297420 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7143297420 is an abundant number, since it is smaller than the sum of its proper divisors (16181822580).

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

7143297420 is a wasteful number, since it uses less digits than its factorization.

7143297420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347132 (or 347116 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 7143297420 is about 84518.0301474188. The cubic root of 7143297420 is about 1925.8963539083.

The spelling of 7143297420 in words is "seven billion, one hundred forty-three million, two hundred ninety-seven thousand, four hundred twenty".