7247490 has 32 divisors (see below), whose sum is σ = 17957376. Its totient is φ = 1870080.

The previous prime is 7247479. The next prime is 7247497. The reversal of 7247490 is 947427.

It is a super-2 number, since 2×7247490² = 105052222600200, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (7247497) 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 15 ways as a sum of consecutive naturals, for example, 2967 + ... + 4826.

It is an arithmetic number, because the mean of its divisors is an integer number (561168).

Almost surely, 2^7247490 is an apocalyptic number.

7247490 is an abundant number, since it is smaller than the sum of its proper divisors (10709886).

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

7247490 is a wasteful number, since it uses less digits than its factorization.

7247490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7834.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 7247490 is about 2692.1162679201. The cubic root of 7247490 is about 193.5214940502.

The spelling of 7247490 in words is "seven million, two hundred forty-seven thousand, four hundred ninety".