7445894 has 4 divisors (see below), whose sum is σ = 11168844. Its totient is φ = 3722946.

The previous prime is 7445873. The next prime is 7445897. The reversal of 7445894 is 4985447.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4985447 = 113 ⋅44119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7445897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1861472 + ... + 1861475.

It is an arithmetic number, because the mean of its divisors is an integer number (2792211).

Almost surely, 2^7445894 is an apocalyptic number.

7445894 is a deficient number, since it is larger than the sum of its proper divisors (3722950).

7445894 is a wasteful number, since it uses less digits than its factorization.

7445894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3722949.

The product of its digits is 161280, while the sum is 41.

The square root of 7445894 is about 2728.7165481229. The cubic root of 7445894 is about 195.2715393016.

The spelling of 7445894 in words is "seven million, four hundred forty-five thousand, eight hundred ninety-four".