2742837390 has 80 divisors (see below), whose sum is σ = 7431771600. Its totient is φ = 725811840.

The previous prime is 2742837379. The next prime is 2742837401. The reversal of 2742837390 is 937382472.

2742837390 is a `hidden beast` number, since 274 + 2 + 8 + 373 + 9 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (2742837379) and next prime (2742837401).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 93186 + ... + 119034.

It is an arithmetic number, because the mean of its divisors is an integer number (92897145).

Almost surely, 2^2742837390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2742837390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3715885800).

2742837390 is an abundant number, since it is smaller than the sum of its proper divisors (4688934210).

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

2742837390 is a wasteful number, since it uses less digits than its factorization.

2742837390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25999 (or 25990 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The square root of 2742837390 is about 52372.1050751256. The cubic root of 2742837390 is about 1399.8022492798.

The spelling of 2742837390 in words is "two billion, seven hundred forty-two million, eight hundred thirty-seven thousand, three hundred ninety".