2752426 has 4 divisors (see below), whose sum is σ = 4128642. Its totient is φ = 1376212.

The previous prime is 2752423. The next prime is 2752447. The reversal of 2752426 is 6242572.

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

It can be written as a sum of positive squares in only one way, i.e., 2563201 + 189225 = 1601^2 + 435^2 .

It is a super-3 number, since 3×2752426³ = 62555890333365494328, which contains 333 as substring.

It is a d-powerful number, because it can be written as 2⁶ + 7⁴ + 5⁸ + 2¹⁸ + 4 + 2²¹ + 6² .

It is a junction number, because it is equal to n+sod(n) for n = 2752394 and 2752403.

It is not an unprimeable number, because it can be changed into a prime (2752423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 688105 + ... + 688108.

2^2752426 is an apocalyptic number.

2752426 is a deficient number, since it is larger than the sum of its proper divisors (1376216).

2752426 is a wasteful number, since it uses less digits than its factorization.

2752426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376215.

The product of its digits is 6720, while the sum is 28.

The square root of 2752426 is about 1659.0437004491. The cubic root of 2752426 is about 140.1431528930.

Adding to 2752426 its reverse (6242572), we get a palindrome (8994998).

It can be divided in two parts, 275 and 2426, that added together give a triangular number (2701 = T₇₃).

The spelling of 2752426 in words is "two million, seven hundred fifty-two thousand, four hundred twenty-six".