2742023772 has 96 divisors (see below), whose sum is σ = 7559576640. Its totient is φ = 856535040.

The previous prime is 2742023759. The next prime is 2742023813. The reversal of 2742023772 is 2773202472.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 439378 + ... + 445574.

It is an arithmetic number, because the mean of its divisors is an integer number (78745590).

Almost surely, 2^2742023772 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2742023772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3779788320).

2742023772 is an abundant number, since it is smaller than the sum of its proper divisors (4817552868).

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

2742023772 is a wasteful number, since it uses less digits than its factorization.

2742023772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6468 (or 6460 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 36.

The square root of 2742023772 is about 52364.3368333831. The cubic root of 2742023772 is about 1399.6638260857.

The spelling of 2742023772 in words is "two billion, seven hundred forty-two million, twenty-three thousand, seven hundred seventy-two".