757347849 has 6 divisors (see below), whose sum is σ = 1093946906. Its totient is φ = 504898560.

The previous prime is 757347827. The next prime is 757347869. The reversal of 757347849 is 948743757.

It can be written as a sum of positive squares in only one way, i.e., 579605625 + 177742224 = 24075^2 + 13332^2 .

It is not a de Polignac number, because 757347849 - 2⁸ = 757347593 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 757347795 and 757347804.

It is not an unprimeable number, because it can be changed into a prime (757347869) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42074872 + ... + 42074889.

Almost surely, 2^757347849 is an apocalyptic number.

It is an amenable number.

757347849 is a deficient number, since it is larger than the sum of its proper divisors (336599057).

757347849 is a wasteful number, since it uses less digits than its factorization.

757347849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84149767 (or 84149764 counting only the distinct ones).

The product of its digits is 5927040, while the sum is 54.

The square root of 757347849 is about 27519.9536518505. The cubic root of 757347849 is about 911.5177541909.

The spelling of 757347849 in words is "seven hundred fifty-seven million, three hundred forty-seven thousand, eight hundred forty-nine".