2758774 has 4 divisors (see below), whose sum is σ = 4138164. Its totient is φ = 1379386.

The previous prime is 2758771. The next prime is 2758787. The reversal of 2758774 is 4778572.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×2758774² = 15221667966152, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2758771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 689692 + ... + 689695.

It is an arithmetic number, because the mean of its divisors is an integer number (1034541).

2^2758774 is an apocalyptic number.

2758774 is a deficient number, since it is larger than the sum of its proper divisors (1379390).

2758774 is a wasteful number, since it uses less digits than its factorization.

2758774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379389.

The product of its digits is 109760, while the sum is 40.

The square root of 2758774 is about 1660.9557489590. The cubic root of 2758774 is about 140.2508089129.

The spelling of 2758774 in words is "two million, seven hundred fifty-eight thousand, seven hundred seventy-four".