2745919 has 8 divisors (see below), whose sum is σ = 3047040. Its totient is φ = 2453400.

The previous prime is 2745913. The next prime is 2745929. The reversal of 2745919 is 9195472.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2745919 - 2¹³ = 2737727 is a prime.

It is a super-2 number, since 2×2745919² = 15080142309122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2745913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1467 + ... + 2764.

It is an arithmetic number, because the mean of its divisors is an integer number (380880).

2^2745919 is an apocalyptic number.

2745919 is a deficient number, since it is larger than the sum of its proper divisors (301121).

2745919 is a wasteful number, since it uses less digits than its factorization.

2745919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4301.

The product of its digits is 22680, while the sum is 37.

The square root of 2745919 is about 1657.0814705379. The cubic root of 2745919 is about 140.0326284494.

The spelling of 2745919 in words is "two million, seven hundred forty-five thousand, nine hundred nineteen".