7408642 has 16 divisors (see below), whose sum is σ = 11449152. Its totient is φ = 3593520.

The previous prime is 7408603. The next prime is 7408649. The reversal of 7408642 is 2468047.

It is not an unprimeable number, because it can be changed into a prime (7408649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23667 + ... + 23977.

It is an arithmetic number, because the mean of its divisors is an integer number (715572).

Almost surely, 2^7408642 is an apocalyptic number.

7408642 is a deficient number, since it is larger than the sum of its proper divisors (4040510).

7408642 is a wasteful number, since it uses less digits than its factorization.

7408642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 7408642 is about 2721.8820694512. The cubic root of 7408642 is about 194.9453451912.

The spelling of 7408642 in words is "seven million, four hundred eight thousand, six hundred forty-two".