4072428936676 has 27 divisors (see below), whose sum is σ = 7193510605659. Its totient is φ = 2017315654848.

The previous prime is 4072428936671. The next prime is 4072428936707. The reversal of 4072428936676 is 6766398242704.

The square root of 4072428936676 is 2018026.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 433582740900 + 3638846195776 = 658470^2 + 1907576^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4072428936671) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 439925040 + ... + 439934296.

Almost surely, 2^{4072428936676} is an apocalyptic number.

4072428936676 is the 2018026-th square number.

It is an amenable number.

4072428936676 is a deficient number, since it is larger than the sum of its proper divisors (3121081668983).

4072428936676 is an frugal number, since it uses more digits than its factorization.

4072428936676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18736 (or 9368 counting only the distinct ones).

The product of its (nonzero) digits is 146313216, while the sum is 64.

Multiplying 4072428936676 by its sum of digits (64), we get a square (260635451947264 = 16144208²).

The spelling of 4072428936676 in words is "four trillion, seventy-two billion, four hundred twenty-eight million, nine hundred thirty-six thousand, six hundred seventy-six".