2745975 has 48 divisors (see below), whose sum is σ = 4999680. Its totient is φ = 1324800.

The previous prime is 2745971. The next prime is 2745979. The reversal of 2745975 is 5795472.

It is an interprime number because it is at equal distance from previous prime (2745971) and next prime (2745979).

It is not a de Polignac number, because 2745975 - 2² = 2745971 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

Its product of digits (88200) is a multiple of the sum of its prime factors (120).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2745971) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 58402 + ... + 58448.

It is an arithmetic number, because the mean of its divisors is an integer number (104160).

2^2745975 is an apocalyptic number.

2745975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2745975 is a deficient number, since it is larger than the sum of its proper divisors (2253705).

2745975 is a wasteful number, since it uses less digits than its factorization.

2745975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 115 counting only the distinct ones).

The product of its digits is 88200, while the sum is 39.

The square root of 2745975 is about 1657.0983676294. The cubic root of 2745975 is about 140.0335803801.

The spelling of 2745975 in words is "two million, seven hundred forty-five thousand, nine hundred seventy-five".