4243680972 has 18 divisors (see below), whose sum is σ = 10727082548. Its totient is φ = 1414560312.

The previous prime is 4243680967. The next prime is 4243680979. The reversal of 4243680972 is 2790863424.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×4243680972² = 36017656384229729568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4243680979) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58939978 + ... + 58940049.

Almost surely, 2^4243680972 is an apocalyptic number.

It is an amenable number.

4243680972 is an abundant number, since it is smaller than the sum of its proper divisors (6483401576).

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

4243680972 is a wasteful number, since it uses less digits than its factorization.

4243680972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117880037 (or 117880032 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The square root of 4243680972 is about 65143.5412915202. The cubic root of 4243680972 is about 1619.0027103720.

The spelling of 4243680972 in words is "four billion, two hundred forty-three million, six hundred eighty thousand, nine hundred seventy-two".