7025749 has 4 divisors (see below), whose sum is σ = 7104780. Its totient is φ = 6946720.

The previous prime is 7025737. The next prime is 7025783. The reversal of 7025749 is 9475207.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1232100 + 5793649 = 1110^2 + 2407^2 .

It is a cyclic number.

It is not a de Polignac number, because 7025749 - 2⁷ = 7025621 is a prime.

It is a super-2 number, since 2×7025749² = 98722298022002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7025149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39382 + ... + 39559.

It is an arithmetic number, because the mean of its divisors is an integer number (1776195).

Almost surely, 2^7025749 is an apocalyptic number.

It is an amenable number.

7025749 is a deficient number, since it is larger than the sum of its proper divisors (79031).

7025749 is an equidigital number, since it uses as much as digits as its factorization.

7025749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79030.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 7025749 is about 2650.6129479801. The cubic root of 7025749 is about 191.5273839590.

The spelling of 7025749 in words is "seven million, twenty-five thousand, seven hundred forty-nine".