7446897 has 20 divisors (see below), whose sum is σ = 11260260. Its totient is φ = 4904064.

The previous prime is 7446893. The next prime is 7446911. The reversal of 7446897 is 7986447.

It can be written as a sum of positive squares in 2 ways, for example, as 4704561 + 2742336 = 2169^2 + 1656^2 .

It is not a de Polignac number, because 7446897 - 2² = 7446893 is a prime.

It is a d-powerful number, because it can be written as 7³ + 4⁵ + 4⁵ + 6⁸ + 8 + 9² + 7⁸ .

7446897 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7446893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6693 + ... + 7725.

It is an arithmetic number, because the mean of its divisors is an integer number (563013).

Almost surely, 2^7446897 is an apocalyptic number.

It is an amenable number.

7446897 is a deficient number, since it is larger than the sum of its proper divisors (3813363).

7446897 is a wasteful number, since it uses less digits than its factorization.

7446897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134 (or 1125 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 7446897 is about 2728.9003279710. The cubic root of 7446897 is about 195.2803069329.

It can be divided in two parts, 74 and 46897, that added together give a triangular number (46971 = T₃₀₆).

The spelling of 7446897 in words is "seven million, four hundred forty-six thousand, eight hundred ninety-seven".