7445642 has 8 divisors (see below), whose sum is σ = 11528832. Its totient is φ = 3602700.

The previous prime is 7445639. The next prime is 7445653. The reversal of 7445642 is 2465447.

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

It is a d-powerful number, because it can be written as 7⁸ + 4 + 4³ + 5 + 6⁸ + 4⁵ + 2⁷ .

It is a junction number, because it is equal to n+sod(n) for n = 7445599 and 7445608.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 59984 + ... + 60107.

It is an arithmetic number, because the mean of its divisors is an integer number (1441104).

Almost surely, 2^7445642 is an apocalyptic number.

7445642 is a deficient number, since it is larger than the sum of its proper divisors (4083190).

7445642 is a wasteful number, since it uses less digits than its factorization.

7445642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120124.

The product of its digits is 26880, while the sum is 32.

The square root of 7445642 is about 2728.6703721776. The cubic root of 7445642 is about 195.2693363432.

The spelling of 7445642 in words is "seven million, four hundred forty-five thousand, six hundred forty-two".