757949 has 4 divisors (see below), whose sum is σ = 761436. Its totient is φ = 754464.

The previous prime is 757943. The next prime is 757951. The reversal of 757949 is 949757.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 949757 = 223 ⋅4259.

It can be written as a sum of positive squares in 2 ways, for example, as 525625 + 232324 = 725^2 + 482^2 .

It is a cyclic number.

It is not a de Polignac number, because 757949 - 2⁸ = 757693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (757943) 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 3 ways as a sum of consecutive naturals, for example, 1394 + ... + 1859.

It is an arithmetic number, because the mean of its divisors is an integer number (190359).

2⁷⁵⁷⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

757949 is a deficient number, since it is larger than the sum of its proper divisors (3487).

757949 is a wasteful number, since it uses less digits than its factorization.

757949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3486.

The product of its digits is 79380, while the sum is 41.

The square root of 757949 is about 870.6026648248. The cubic root of 757949 is about 91.1758865279.

The spelling of 757949 in words is "seven hundred fifty-seven thousand, nine hundred forty-nine".