2748730 has 64 divisors (see below), whose sum is σ = 5909760. Its totient is φ = 912384.

The previous prime is 2748727. The next prime is 2748731. The reversal of 2748730 is 378472.

It is a super-2 number, since 2×2748730² = 15111033225800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2748692 and 2748701.

It is not an unprimeable number, because it can be changed into a prime (2748731) 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, 74272 + ... + 74308.

It is an arithmetic number, because the mean of its divisors is an integer number (92340).

2^2748730 is an apocalyptic number.

2748730 is an abundant number, since it is smaller than the sum of its proper divisors (3161030).

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

2748730 is a wasteful number, since it uses less digits than its factorization.

2748730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 2748730 is about 1657.9294315501. The cubic root of 2748730 is about 140.0803960001.

The spelling of 2748730 in words is "two million, seven hundred forty-eight thousand, seven hundred thirty".