764425633 has 8 divisors (see below), whose sum is σ = 771382080. Its totient is φ = 757497840.

The previous prime is 764425583. The next prime is 764425637. The reversal of 764425633 is 336524467.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 764425633 - 2¹³ = 764417441 is a prime.

It is a super-3 number, since 3×764425633³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (764425637) 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 7 ways as a sum of consecutive naturals, for example, 48363 + ... + 62191.

It is an arithmetic number, because the mean of its divisors is an integer number (96422760).

Almost surely, 2^764425633 is an apocalyptic number.

It is an amenable number.

764425633 is a deficient number, since it is larger than the sum of its proper divisors (6956447).

764425633 is a wasteful number, since it uses less digits than its factorization.

764425633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14327.

The product of its digits is 362880, while the sum is 40.

The square root of 764425633 is about 27648.2482808586. The cubic root of 764425633 is about 914.3484798324.

The spelling of 764425633 in words is "seven hundred sixty-four million, four hundred twenty-five thousand, six hundred thirty-three".