7097945 has 4 divisors (see below), whose sum is σ = 8517540. Its totient is φ = 5678352.

The previous prime is 7097939. The next prime is 7097957. The reversal of 7097945 is 5497907.

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: 5497907 = 29 ⋅189583.

It can be written as a sum of positive squares in 2 ways, for example, as 3193369 + 3904576 = 1787^2 + 1976^2 .

It is a cyclic number.

It is not a de Polignac number, because 7097945 - 2⁴ = 7097929 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 709790 + ... + 709799.

It is an arithmetic number, because the mean of its divisors is an integer number (2129385).

Almost surely, 2^7097945 is an apocalyptic number.

It is an amenable number.

7097945 is a deficient number, since it is larger than the sum of its proper divisors (1419595).

7097945 is a wasteful number, since it uses less digits than its factorization.

7097945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419594.

The product of its (nonzero) digits is 79380, while the sum is 41.

The square root of 7097945 is about 2664.1968771095. The cubic root of 7097945 is about 192.1811892744.

The spelling of 7097945 in words is "seven million, ninety-seven thousand, nine hundred forty-five".