632743397 has 16 divisors (see below), whose sum is σ = 744303168. Its totient is φ = 530302080.

The previous prime is 632743381. The next prime is 632743403. The reversal of 632743397 is 793347236.

It is a happy number.

It is not a de Polignac number, because 632743397 - 2⁴ = 632743381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632743357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133958 + ... + 138600.

It is an arithmetic number, because the mean of its divisors is an integer number (46518948).

Almost surely, 2^632743397 is an apocalyptic number.

It is an amenable number.

632743397 is a deficient number, since it is larger than the sum of its proper divisors (111559771).

632743397 is a wasteful number, since it uses less digits than its factorization.

632743397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5620.

The product of its digits is 571536, while the sum is 44.

The square root of 632743397 is about 25154.3912071034. The cubic root of 632743397 is about 858.5044301351.

The spelling of 632743397 in words is "six hundred thirty-two million, seven hundred forty-three thousand, three hundred ninety-seven".