2720542630 has 32 divisors (see below), whose sum is σ = 5283079200. Its totient is φ = 1002715392.

The previous prime is 2720542613. The next prime is 2720542639. The reversal of 2720542630 is 362450272.

It is a junction number, because it is equal to n+sod(n) for n = 2720542592 and 2720542601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2720542639) 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, 55581 + ... + 92359.

It is an arithmetic number, because the mean of its divisors is an integer number (165096225).

Almost surely, 2^2720542630 is an apocalyptic number.

2720542630 is a deficient number, since it is larger than the sum of its proper divisors (2562536570).

2720542630 is a wasteful number, since it uses less digits than its factorization.

2720542630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37368.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 2720542630 is about 52158.8212098395. The cubic root of 2720542630 is about 1395.9992292752. Note that the first 3 decimals are identical.

The spelling of 2720542630 in words is "two billion, seven hundred twenty million, five hundred forty-two thousand, six hundred thirty".