749025 has 18 divisors (see below), whose sum is σ = 1341990. Its totient is φ = 399360.
The previous prime is 749011. The next prime is 749027. The reversal of 749025 is 520947.
It can be written as a sum of positive squares in 3 ways, for example, as 28224 + 720801 = 168^2 + 849^2 .
It is not a de Polignac number, because 749025 - 29 = 748513 is a prime.
It is a super-2 number, since 2×7490252 = 1122076901250, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 749025.
It is not an unprimeable number, because it can be changed into a prime (749027) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1440 + ... + 1889.
It is an arithmetic number, because the mean of its divisors is an integer number (74555).
2749025 is an apocalyptic number.
749025 is a gapful number since it is divisible by the number (75) formed by its first and last digit.
It is an amenable number.
749025 is a deficient number, since it is larger than the sum of its proper divisors (592965).
749025 is a wasteful number, since it uses less digits than its factorization.
749025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3345 (or 3337 counting only the distinct ones).
The product of its (nonzero) digits is 2520, while the sum is 27.
The square root of 749025 is about 865.4623042051. The cubic root of 749025 is about 90.8166416224.
The spelling of 749025 in words is "seven hundred forty-nine thousand, twenty-five".
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