2100700742 has 16 divisors (see below), whose sum is σ = 3605575680. Its totient is φ = 899206728.

The previous prime is 2100700741. The next prime is 2100700747. The reversal of 2100700742 is 2470070012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100700741) 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, 79142 + ... + 102297.

It is an arithmetic number, because the mean of its divisors is an integer number (225348480).

Almost surely, 2^2100700742 is an apocalyptic number.

2100700742 is a deficient number, since it is larger than the sum of its proper divisors (1504874938).

2100700742 is a wasteful number, since it uses less digits than its factorization.

2100700742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182275.

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 2100700742 is about 45833.4020338879. The cubic root of 2100700742 is about 1280.7215865449.

Adding to 2100700742 its reverse (2470070012), we get a palindrome (4570770754).

The spelling of 2100700742 in words is "two billion, one hundred million, seven hundred thousand, seven hundred forty-two".