4072666740 has 48 divisors (see below), whose sum is σ = 11668671168. Its totient is φ = 1060786944.

The previous prime is 4072666723. The next prime is 4072666747. The reversal of 4072666740 is 476662704.

It is a super-2 number, since 2×4072666740² = 33173228750204455200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4072666692 and 4072666701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4072666747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 786697 + ... + 791856.

It is an arithmetic number, because the mean of its divisors is an integer number (243097316).

Almost surely, 2^4072666740 is an apocalyptic number.

It is an amenable number.

4072666740 is an abundant number, since it is smaller than the sum of its proper divisors (7596004428).

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

4072666740 is a wasteful number, since it uses less digits than its factorization.

4072666740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578608 (or 1578606 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 42.

The square root of 4072666740 is about 63817.4485544510. The cubic root of 4072666740 is about 1596.9560276720.

The spelling of 4072666740 in words is "four billion, seventy-two million, six hundred sixty-six thousand, seven hundred forty".