2751730 has 16 divisors (see below), whose sum is σ = 4978584. Its totient is φ = 1095040.

The previous prime is 2751703. The next prime is 2751733. The reversal of 2751730 is 371572.

It can be written as a sum of positive squares in 4 ways, for example, as 2380849 + 370881 = 1543^2 + 609^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2751695 and 2751704.

It is not an unprimeable number, because it can be changed into a prime (2751733) 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, 1740 + ... + 2920.

2^2751730 is an apocalyptic number.

2751730 is a deficient number, since it is larger than the sum of its proper divisors (2226854).

2751730 is a wasteful number, since it uses less digits than its factorization.

2751730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421.

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 2751730 is about 1658.8339277939. The cubic root of 2751730 is about 140.1313393321.

It can be divided in two parts, 2751 and 730, that added together give a square (3481 = 59²).

The spelling of 2751730 in words is "two million, seven hundred fifty-one thousand, seven hundred thirty".