7098945 has 64 divisors (see below), whose sum is σ = 14224896. Its totient is φ = 2949120.

The previous prime is 7098943. The next prime is 7098947. The reversal of 7098945 is 5498907.

It is an interprime number because it is at equal distance from previous prime (7098943) and next prime (7098947).

It is not a de Polignac number, because 7098945 - 2¹ = 7098943 is a prime.

It is a super-2 number, since 2×7098945² = 100790040226050, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

7098945 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 7098897 and 7098906.

It is not an unprimeable number, because it can be changed into a prime (7098941) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 73137 + ... + 73233.

It is an arithmetic number, because the mean of its divisors is an integer number (222264).

Almost surely, 2^7098945 is an apocalyptic number.

It is an amenable number.

7098945 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

7098945 is a wasteful number, since it uses less digits than its factorization.

7098945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 7098945 is about 2664.3845443179. The cubic root of 7098945 is about 192.1902140538.

The spelling of 7098945 in words is "seven million, ninety-eight thousand, nine hundred forty-five".