632720436767 has 8 divisors (see below), whose sum is σ = 633115974624. Its totient is φ = 632324994048.

The previous prime is 632720436743. The next prime is 632720436779. The reversal of 632720436767 is 767634027236.

632720436767 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 632720436767 - 2⁶ = 632720436703 is a prime.

It is a super-2 number, since 2×632720436767² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632720436727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16870478 + ... + 16907940.

It is an arithmetic number, because the mean of its divisors is an integer number (79139496828).

Almost surely, 2^632720436767 is an apocalyptic number.

632720436767 is a deficient number, since it is larger than the sum of its proper divisors (395537857).

632720436767 is a wasteful number, since it uses less digits than its factorization.

632720436767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47569.

The product of its (nonzero) digits is 10668672, while the sum is 53.

The spelling of 632720436767 in words is "six hundred thirty-two billion, seven hundred twenty million, four hundred thirty-six thousand, seven hundred sixty-seven".