2499770 has 64 divisors (see below), whose sum is σ = 5757696. Its totient is φ = 760320.

The previous prime is 2499751. The next prime is 2499779. The reversal of 2499770 is 779942.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2499779) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37277 + ... + 37343.

It is an arithmetic number, because the mean of its divisors is an integer number (89964).

2^2499770 is an apocalyptic number.

2499770 is an abundant number, since it is smaller than the sum of its proper divisors (3257926).

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

2499770 is a wasteful number, since it uses less digits than its factorization.

2499770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 2499770 is about 1581.0660960251. The cubic root of 2499770 is about 135.7167185951.

The spelling of 2499770 in words is "two million, four hundred ninety-nine thousand, seven hundred seventy".