632620787 has 4 divisors (see below), whose sum is σ = 632842056. Its totient is φ = 632399520.

The previous prime is 632620763. The next prime is 632620817. The reversal of 632620787 is 787026236.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 632620787 - 2⁸ = 632620531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (632620757) 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, 106289 + ... + 112082.

It is an arithmetic number, because the mean of its divisors is an integer number (158210514).

Almost surely, 2^632620787 is an apocalyptic number.

632620787 is a deficient number, since it is larger than the sum of its proper divisors (221269).

632620787 is a wasteful number, since it uses less digits than its factorization.

632620787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221268.

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 632620787 is about 25151.9539400024. The cubic root of 632620787 is about 858.4489742539.

The spelling of 632620787 in words is "six hundred thirty-two million, six hundred twenty thousand, seven hundred eighty-seven".