764901 has 12 divisors (see below), whose sum is σ = 1135212. Its totient is φ = 495936.

The previous prime is 764899. The next prime is 764903. The reversal of 764901 is 109467.

It is an interprime number because it is at equal distance from previous prime (764899) and next prime (764903).

It can be written as a sum of positive squares in 2 ways, for example, as 540225 + 224676 = 735^2 + 474^2 .

It is not a de Polignac number, because 764901 - 2¹ = 764899 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (764903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 816 + ... + 1481.

It is an arithmetic number, because the mean of its divisors is an integer number (94601).

2⁷⁶⁴⁹⁰¹ is an apocalyptic number.

It is an amenable number.

764901 is a deficient number, since it is larger than the sum of its proper divisors (370311).

764901 is a wasteful number, since it uses less digits than its factorization.

764901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2340 (or 2337 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 764901 is about 874.5861878626. The cubic root of 764901 is about 91.4537973315.

The spelling of 764901 in words is "seven hundred sixty-four thousand, nine hundred one".