2720973438 has 16 divisors (see below), whose sum is σ = 6046607760. Its totient is φ = 906991128.

The previous prime is 2720973433. The next prime is 2720973449. The reversal of 2720973438 is 8343790272.

2720973438 is a `hidden beast` number, since 2 + 7 + 209 + 7 + 3 + 438 = 666.

2720973438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2720973393 and 2720973402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2720973433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25194145 + ... + 25194252.

It is an arithmetic number, because the mean of its divisors is an integer number (377912985).

Almost surely, 2^2720973438 is an apocalyptic number.

2720973438 is an abundant number, since it is smaller than the sum of its proper divisors (3325634322).

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

2720973438 is a wasteful number, since it uses less digits than its factorization.

2720973438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50388408 (or 50388402 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The square root of 2720973438 is about 52162.9508176062. The cubic root of 2720973438 is about 1396.0729126018.

The spelling of 2720973438 in words is "two billion, seven hundred twenty million, nine hundred seventy-three thousand, four hundred thirty-eight".