2751979 has 8 divisors (see below), whose sum is σ = 2913680. Its totient is φ = 2592000.

The previous prime is 2751967. The next prime is 2751989. The reversal of 2751979 is 9791572.

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 2751979 - 2²¹ = 654827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2751989) 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, 4279 + ... + 4879.

It is an arithmetic number, because the mean of its divisors is an integer number (364210).

2^2751979 is an apocalyptic number.

2751979 is a deficient number, since it is larger than the sum of its proper divisors (161701).

2751979 is a wasteful number, since it uses less digits than its factorization.

2751979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861.

The product of its digits is 39690, while the sum is 40.

The square root of 2751979 is about 1658.9089788171. The cubic root of 2751979 is about 140.1355659642.

The spelling of 2751979 in words is "two million, seven hundred fifty-one thousand, nine hundred seventy-nine".