2764530 has 40 divisors (see below), whose sum is σ = 7435692. Its totient is φ = 736992.

The previous prime is 2764499. The next prime is 2764537. The reversal of 2764530 is 354672.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2653641 + 110889 = 1629^2 + 333^2 .

It is a super-2 number, since 2×2764530² = 15285252241800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2764494 and 2764503.

It is not an unprimeable number, because it can be changed into a prime (2764537) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 897 + ... + 2516.

2^2764530 is an apocalyptic number.

2764530 is an abundant number, since it is smaller than the sum of its proper divisors (4671162).

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

2764530 is a wasteful number, since it uses less digits than its factorization.

2764530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3432 (or 3423 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 2764530 is about 1662.6875834022. The cubic root of 2764530 is about 140.3482825078.

The spelling of 2764530 in words is "two million, seven hundred sixty-four thousand, five hundred thirty".