7490889 has 12 divisors (see below), whose sum is σ = 12366016. Its totient is φ = 4280472.

The previous prime is 7490869. The next prime is 7490927. The reversal of 7490889 is 9880947.

It is not a de Polignac number, because 7490889 - 2⁹ = 7490377 is a prime.

It is a super-2 number, since 2×7490889² = 112226836020642, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7490839) 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 11 ways as a sum of consecutive naturals, for example, 59389 + ... + 59514.

Almost surely, 2^7490889 is an apocalyptic number.

It is an amenable number.

7490889 is a deficient number, since it is larger than the sum of its proper divisors (4875127).

7490889 is a wasteful number, since it uses less digits than its factorization.

7490889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118916 (or 118913 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 7490889 is about 2736.9488486269. The cubic root of 7490889 is about 195.6640869204.

The spelling of 7490889 in words is "seven million, four hundred ninety thousand, eight hundred eighty-nine".