2671722142 has 16 divisors (see below), whose sum is σ = 4259848320. Its totient is φ = 1252384768.

The previous prime is 2671722101. The next prime is 2671722149. The reversal of 2671722142 is 2412271762.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 2671722098 and 2671722107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2671722149) 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, 144142 + ... + 161617.

It is an arithmetic number, because the mean of its divisors is an integer number (266240520).

Almost surely, 2^2671722142 is an apocalyptic number.

2671722142 is a deficient number, since it is larger than the sum of its proper divisors (1588126178).

2671722142 is a wasteful number, since it uses less digits than its factorization.

2671722142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306035.

The product of its digits is 18816, while the sum is 34.

The square root of 2671722142 is about 51688.7042012082. The cubic root of 2671722142 is about 1387.5983132134.

The spelling of 2671722142 in words is "two billion, six hundred seventy-one million, seven hundred twenty-two thousand, one hundred forty-two".