7490643 has 8 divisors (see below), whose sum is σ = 10219968. Its totient is φ = 4877544.

The previous prime is 7490629. The next prime is 7490647. The reversal of 7490643 is 3460947.

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

It is not a de Polignac number, because 7490643 - 2⁵ = 7490611 is a prime.

It is a super-2 number, since 2×7490643² = 112219465106898, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7490647) 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 7 ways as a sum of consecutive naturals, for example, 28905 + ... + 29162.

It is an arithmetic number, because the mean of its divisors is an integer number (1277496).

Almost surely, 2^7490643 is an apocalyptic number.

7490643 is a deficient number, since it is larger than the sum of its proper divisors (2729325).

7490643 is a wasteful number, since it uses less digits than its factorization.

7490643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58113.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 7490643 is about 2736.9039077030. The cubic root of 7490643 is about 195.6619450343.

The spelling of 7490643 in words is "seven million, four hundred ninety thousand, six hundred forty-three".