2757963 has 8 divisors (see below), whose sum is σ = 3960208. Its totient is φ = 1697184.

The previous prime is 2757917. The next prime is 2758003. The reversal of 2757963 is 3697572.

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

It is not a de Polignac number, because 2757963 - 2¹⁰ = 2756939 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 70717 = 2757963 / (2 + 7 + 5 + 7 + 9 + 6 + 3).

It is a Duffinian number.

2757963 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2757163) 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, 35320 + ... + 35397.

It is an arithmetic number, because the mean of its divisors is an integer number (495026).

2^2757963 is an apocalyptic number.

2757963 is a deficient number, since it is larger than the sum of its proper divisors (1202245).

2757963 is a wasteful number, since it uses less digits than its factorization.

2757963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70733.

The product of its digits is 79380, while the sum is 39.

The square root of 2757963 is about 1660.7115944679. The cubic root of 2757963 is about 140.2370643348.

It can be divided in two parts, 27 and 57963, that multiplied together give a square (1565001 = 1251²).

The spelling of 2757963 in words is "two million, seven hundred fifty-seven thousand, nine hundred sixty-three".