7442306 has 4 divisors (see below), whose sum is σ = 11163462. Its totient is φ = 3721152.

The previous prime is 7442249. The next prime is 7442333. The reversal of 7442306 is 6032447.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6032447 = 761 ⋅7927.

It can be written as a sum of positive squares in only one way, i.e., 3964081 + 3478225 = 1991^2 + 1865^2 .

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 as a sum of consecutive naturals, namely, 1860575 + ... + 1860578.

Almost surely, 2^7442306 is an apocalyptic number.

7442306 is a deficient number, since it is larger than the sum of its proper divisors (3721156).

7442306 is a wasteful number, since it uses less digits than its factorization.

7442306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3721155.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 7442306 is about 2728.0590169569. The cubic root of 7442306 is about 195.2401686852.

The spelling of 7442306 in words is "seven million, four hundred forty-two thousand, three hundred six".