2772427420 has 48 divisors (see below), whose sum is σ = 6734020608. Its totient is φ = 939090240.

The previous prime is 2772427417. The next prime is 2772427423. The reversal of 2772427420 is 247242772.

It is an interprime number because it is at equal distance from previous prime (2772427417) and next prime (2772427423).

It is a self number, because there is not a number n which added to its sum of digits gives 2772427420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2772427423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107676 + ... + 130915.

It is an arithmetic number, because the mean of its divisors is an integer number (140292096).

Almost surely, 2^2772427420 is an apocalyptic number.

2772427420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2772427420 is an abundant number, since it is smaller than the sum of its proper divisors (3961593188).

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

2772427420 is a wasteful number, since it uses less digits than its factorization.

2772427420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238690 (or 238688 counting only the distinct ones).

The product of its (nonzero) digits is 87808, while the sum is 37.

The square root of 2772427420 is about 52653.8452536944. The cubic root of 2772427420 is about 1404.8179954461.

The spelling of 2772427420 in words is "two billion, seven hundred seventy-two million, four hundred twenty-seven thousand, four hundred twenty".