757940 has 12 divisors (see below), whose sum is σ = 1591716. Its totient is φ = 303168.

The previous prime is 757937. The next prime is 757943. The reversal of 757940 is 49757.

It is an interprime number because it is at equal distance from previous prime (757937) and next prime (757943).

It can be written as a sum of positive squares in 2 ways, for example, as 98596 + 659344 = 314^2 + 812^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 757897 and 757906.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18929 + ... + 18968.

It is an arithmetic number, because the mean of its divisors is an integer number (132643).

2⁷⁵⁷⁹⁴⁰ is an apocalyptic number.

It is an amenable number.

757940 is an abundant number, since it is smaller than the sum of its proper divisors (833776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

757940 is a wasteful number, since it uses less digits than its factorization.

757940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37906 (or 37904 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 757940 is about 870.5974959762. The cubic root of 757940 is about 91.1755256477.

The spelling of 757940 in words is "seven hundred fifty-seven thousand, nine hundred forty".