2774256372 has 48 divisors (see below), whose sum is σ = 7234140480. Its totient is φ = 919400544.

The previous prime is 2774256361. The next prime is 2774256379. The reversal of 2774256372 is 2736524772.

2774256372 is a `hidden beast` number, since 2 + 7 + 7 + 4 + 2 + 5 + 637 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2774256379) 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, 55558 + ... + 92925.

It is an arithmetic number, because the mean of its divisors is an integer number (150711260).

Almost surely, 2^2774256372 is an apocalyptic number.

It is an amenable number.

2774256372 is an abundant number, since it is smaller than the sum of its proper divisors (4459884108).

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

2774256372 is a wasteful number, since it uses less digits than its factorization.

2774256372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148669 (or 148661 counting only the distinct ones).

The product of its digits is 987840, while the sum is 45.

The square root of 2774256372 is about 52671.2100867257. The cubic root of 2774256372 is about 1405.1268439156.

The spelling of 2774256372 in words is "two billion, seven hundred seventy-four million, two hundred fifty-six thousand, three hundred seventy-two".