2507490 has 64 divisors (see below), whose sum is σ = 6894720. Its totient is φ = 648000.

The previous prime is 2507489. The next prime is 2507567. The reversal of 2507490 is 947052.

It is a super-2 number, since 2×2507490² = 12575012200200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9865 + ... + 10115.

It is an arithmetic number, because the mean of its divisors is an integer number (107730).

2^2507490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2507490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3447360).

2507490 is an abundant number, since it is smaller than the sum of its proper divisors (4387230).

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

2507490 is a wasteful number, since it uses less digits than its factorization.

2507490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 2507490 is about 1583.5056046633. The cubic root of 2507490 is about 135.8562856150.

The spelling of 2507490 in words is "two million, five hundred seven thousand, four hundred ninety".