2774396730 has 64 divisors (see below), whose sum is σ = 7626689280. Its totient is φ = 632738304.

The previous prime is 2774396683. The next prime is 2774396749. The reversal of 2774396730 is 376934772.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2774396730.

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, 81516 + ... + 110424.

It is an arithmetic number, because the mean of its divisors is an integer number (119167020).

Almost surely, 2^2774396730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2774396730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3813344640).

2774396730 is an abundant number, since it is smaller than the sum of its proper divisors (4852292550).

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

2774396730 is a wasteful number, since it uses less digits than its factorization.

2774396730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29383.

The product of its (nonzero) digits is 1333584, while the sum is 48.

The square root of 2774396730 is about 52672.5424675893. The cubic root of 2774396730 is about 1405.1505400514.

The spelling of 2774396730 in words is "two billion, seven hundred seventy-four million, three hundred ninety-six thousand, seven hundred thirty".