7190045 has 4 divisors (see below), whose sum is σ = 8628060. Its totient is φ = 5752032.

The previous prime is 7190039. The next prime is 7190063. The reversal of 7190045 is 5400917.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5400917 = 17 ⋅317701.

It can be written as a sum of positive squares in 2 ways, for example, as 2199289 + 4990756 = 1483^2 + 2234^2 .

It is a cyclic number.

It is not a de Polignac number, because 7190045 - 2¹⁸ = 6927901 is a prime.

It is an Ulam number.

It is a plaindrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 7189996 and 7190023.

It is a congruent number.

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, 719000 + ... + 719009.

It is an arithmetic number, because the mean of its divisors is an integer number (2157015).

Almost surely, 2^7190045 is an apocalyptic number.

It is an amenable number.

7190045 is a deficient number, since it is larger than the sum of its proper divisors (1438015).

7190045 is a wasteful number, since it uses less digits than its factorization.

7190045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438014.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 7190045 is about 2681.4259266293. The cubic root of 7190045 is about 193.0088409957.

The spelling of 7190045 in words is "seven million, one hundred ninety thousand, forty-five".