2702742242 has 6 divisors (see below), whose sum is σ = 4054223649. Its totient is φ = 1351334360.

The previous prime is 2702742209. The next prime is 2702742247. The reversal of 2702742242 is 2422472072.

It can be written as a sum of positive squares in 2 ways, for example, as 1530296161 + 1172446081 = 39119^2 + 34241^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=36761.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2702742199 and 2702742208.

It is not an unprimeable number, because it can be changed into a prime (2702742247) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 55142 + ... + 91902.

Almost surely, 2^2702742242 is an apocalyptic number.

2702742242 is a deficient number, since it is larger than the sum of its proper divisors (1351481407).

2702742242 is an frugal number, since it uses more digits than its factorization.

2702742242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73524 (or 36763 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 32.

The square root of 2702742242 is about 51987.9047663973. The cubic root of 2702742242 is about 1392.9479113101.

Multiplying 2702742242 by its sum of digits (32), we get a square (86487751744 = 294088²).

Multiplying 2702742242 by its product of nonzero digits (25088), we get a square (67806397367296 = 8234464²).

The spelling of 2702742242 in words is "two billion, seven hundred two million, seven hundred forty-two thousand, two hundred forty-two".