2645370 has 192 divisors, whose sum is σ = 9434880. Its totient is φ = 497664.

The previous prime is 2645359. The next prime is 2645371. The reversal of 2645370 is 735462.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2645371) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 139221 + ... + 139239.

It is an arithmetic number, because the mean of its divisors is an integer number (49140).

2^2645370 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2645370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4717440).

2645370 is an abundant number, since it is smaller than the sum of its proper divisors (6789510).

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

2645370 is a wasteful number, since it uses less digits than its factorization.

2645370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 2645370 is about 1626.4593447117. The cubic root of 2645370 is about 138.3021106612.

The spelling of 2645370 in words is "two million, six hundred forty-five thousand, three hundred seventy".