2757426 has 48 divisors (see below), whose sum is σ = 6549984. Its totient is φ = 771456.

The previous prime is 2757397. The next prime is 2757437. The reversal of 2757426 is 6247572.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24346 + ... + 24458.

It is an arithmetic number, because the mean of its divisors is an integer number (136458).

2^2757426 is an apocalyptic number.

2757426 is the 1356-th pentagonal number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2757426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3274992).

2757426 is an abundant number, since it is smaller than the sum of its proper divisors (3792558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2757426 is a wasteful number, since it uses less digits than its factorization.

2757426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215 (or 208 counting only the distinct ones).

The product of its digits is 23520, while the sum is 33.

The square root of 2757426 is about 1660.5499089157. The cubic root of 2757426 is about 140.2279619415.

The spelling of 2757426 in words is "two million, seven hundred fifty-seven thousand, four hundred twenty-six".