7490081 has 8 divisors (see below), whose sum is σ = 7986600. Its totient is φ = 6999808.

The previous prime is 7490051. The next prime is 7490089. The reversal of 7490081 is 1800947.

It can be written as a sum of positive squares in 4 ways, for example, as 173056 + 7317025 = 416^2 + 2705^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7490081 - 2¹⁸ = 7227937 is a prime.

It is a super-2 number, since 2×7490081² = 112202626773122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7490089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1055 + ... + 4011.

It is an arithmetic number, because the mean of its divisors is an integer number (998325).

Almost surely, 2^7490081 is an apocalyptic number.

It is an amenable number.

7490081 is a deficient number, since it is larger than the sum of its proper divisors (496519).

7490081 is a wasteful number, since it uses less digits than its factorization.

7490081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3123.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 7490081 is about 2736.8012350187. The cubic root of 7490081 is about 195.6570516064.

The spelling of 7490081 in words is "seven million, four hundred ninety thousand, eighty-one".