2745470 has 48 divisors (see below), whose sum is σ = 6205248. Its totient is φ = 866880.

The previous prime is 2745467. The next prime is 2745473. The reversal of 2745470 is 745472.

It is an interprime number because it is at equal distance from previous prime (2745467) and next prime (2745473).

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2745473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6155 + ... + 6585.

It is an arithmetic number, because the mean of its divisors is an integer number (129276).

2^2745470 is an apocalyptic number.

2745470 is an abundant number, since it is smaller than the sum of its proper divisors (3459778).

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

2745470 is a wasteful number, since it uses less digits than its factorization.

2745470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465 (or 458 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 2745470 is about 1656.9459858426. The cubic root of 2745470 is about 140.0249955370.

It can be divided in two parts, 27454 and 70, that multiplied together give a triangular number (1921780 = T₁₉₆₀).

The spelling of 2745470 in words is "two million, seven hundred forty-five thousand, four hundred seventy".