2275137720 has 80 divisors (see below), whose sum is σ = 7647001560. Its totient is φ = 606702528.

The previous prime is 2275137643. The next prime is 2275137749. The reversal of 2275137720 is 277315722.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 347862 + ... + 354341.

Almost surely, 2^2275137720 is an apocalyptic number.

2275137720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2275137720 is an abundant number, since it is smaller than the sum of its proper divisors (5371863840).

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

2275137720 is a wasteful number, since it uses less digits than its factorization.

2275137720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702226 (or 702213 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 36.

The square root of 2275137720 is about 47698.4037468761. The cubic root of 2275137720 is about 1315.2325958275.

The spelling of 2275137720 in words is "two billion, two hundred seventy-five million, one hundred thirty-seven thousand, seven hundred twenty".