764213532 has 12 divisors (see below), whose sum is σ = 1783164936. Its totient is φ = 254737840.

The previous prime is 764213507. The next prime is 764213557. The reversal of 764213532 is 235312467.

It is an interprime number because it is at equal distance from previous prime (764213507) and next prime (764213557).

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 764213493 and 764213502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31842219 + ... + 31842242.

It is an arithmetic number, because the mean of its divisors is an integer number (148597078).

Almost surely, 2^764213532 is an apocalyptic number.

It is an amenable number.

764213532 is an abundant number, since it is smaller than the sum of its proper divisors (1018951404).

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

764213532 is a wasteful number, since it uses less digits than its factorization.

764213532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63684468 (or 63684466 counting only the distinct ones).

The product of its digits is 30240, while the sum is 33.

The square root of 764213532 is about 27644.4123106280. The cubic root of 764213532 is about 914.2639055856.

Adding to 764213532 its reverse (235312467), we get a palindrome (999525999).

The spelling of 764213532 in words is "seven hundred sixty-four million, two hundred thirteen thousand, five hundred thirty-two".