7252490 has 72 divisors (see below), whose sum is σ = 16418052. Its totient is φ = 2298240.

The previous prime is 7252463. The next prime is 7252499. The reversal of 7252490 is 942527.

It can be written as a sum of positive squares in 2 ways, for example, as 6385729 + 866761 = 2527^2 + 931^2 .

It is a super-2 number, since 2×7252490² = 105197222400200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7252499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 176870 + ... + 176910.

Almost surely, 2^7252490 is an apocalyptic number.

7252490 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

7252490 is an abundant number, since it is smaller than the sum of its proper divisors (9165562).

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

7252490 is a wasteful number, since it uses less digits than its factorization.

7252490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100 (or 74 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 7252490 is about 2693.0447452651. The cubic root of 7252490 is about 193.5659869270.

The spelling of 7252490 in words is "seven million, two hundred fifty-two thousand, four hundred ninety".