764633 has 4 divisors (see below), whose sum is σ = 769488. Its totient is φ = 759780.

The previous prime is 764629. The next prime is 764657. The reversal of 764633 is 336467.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 336467 = 23 ⋅14629.

It is a cyclic number.

It is not a de Polignac number, because 764633 - 2² = 764629 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 764596 and 764605.

It is not an unprimeable number, because it can be changed into a prime (764623) 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, 2183 + ... + 2508.

It is an arithmetic number, because the mean of its divisors is an integer number (192372).

2⁷⁶⁴⁶³³ is an apocalyptic number.

It is an amenable number.

764633 is a deficient number, since it is larger than the sum of its proper divisors (4855).

764633 is a wasteful number, since it uses less digits than its factorization.

764633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4854.

The product of its digits is 9072, while the sum is 29.

The square root of 764633 is about 874.4329591227. The cubic root of 764633 is about 91.4431151297.

The spelling of 764633 in words is "seven hundred sixty-four thousand, six hundred thirty-three".