2273797764 has 96 divisors (see below), whose sum is σ = 6874784000. Its totient is φ = 649645920.

The previous prime is 2273797759. The next prime is 2273797769. The reversal of 2273797764 is 4677973722.

It is an interprime number because it is at equal distance from previous prime (2273797759) and next prime (2273797769).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 2273797764.

It is not an unprimeable number, because it can be changed into a prime (2273797769) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6354 + ... + 67734.

Almost surely, 2^2273797764 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2273797764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3437392000).

2273797764 is an abundant number, since it is smaller than the sum of its proper divisors (4600986236).

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

2273797764 is a wasteful number, since it uses less digits than its factorization.

2273797764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61415 (or 61393 counting only the distinct ones).

The product of its digits is 6223392, while the sum is 54.

The square root of 2273797764 is about 47684.3555477056. The cubic root of 2273797764 is about 1314.9743404131.

The spelling of 2273797764 in words is "two billion, two hundred seventy-three million, seven hundred ninety-seven thousand, seven hundred sixty-four".