7426945 has 8 divisors (see below), whose sum is σ = 9129960. Its totient is φ = 5796480.

The previous prime is 7426931. The next prime is 7426957. The reversal of 7426945 is 5496247.

It can be written as a sum of positive squares in 4 ways, for example, as 23104 + 7403841 = 152^2 + 2721^2 .

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

It is not a de Polignac number, because 7426945 - 2⁷ = 7426817 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17910 + ... + 18319.

It is an arithmetic number, because the mean of its divisors is an integer number (1141245).

Almost surely, 2^7426945 is an apocalyptic number.

It is an amenable number.

7426945 is a deficient number, since it is larger than the sum of its proper divisors (1703015).

7426945 is a wasteful number, since it uses less digits than its factorization.

7426945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36275.

The product of its digits is 60480, while the sum is 37.

The square root of 7426945 is about 2725.2421910722. The cubic root of 7426945 is about 195.1057502231.

The spelling of 7426945 in words is "seven million, four hundred twenty-six thousand, nine hundred forty-five".