127630733 has 4 divisors (see below), whose sum is σ = 134348160. Its totient is φ = 120913308.

The previous prime is 127630721. The next prime is 127630753. The reversal of 127630733 is 337036721.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-127630733 is a prime.

It is a super-2 number, since 2×127630733² = 32579208012234578, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 127630733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127630753) 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, 3358685 + ... + 3358722.

It is an arithmetic number, because the mean of its divisors is an integer number (33587040).

Almost surely, 2^127630733 is an apocalyptic number.

It is an amenable number.

127630733 is a deficient number, since it is larger than the sum of its proper divisors (6717427).

127630733 is an equidigital number, since it uses as much as digits as its factorization.

127630733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6717426.

The product of its (nonzero) digits is 15876, while the sum is 32.

The square root of 127630733 is about 11297.3772620020. The cubic root of 127630733 is about 503.4833206019.

The spelling of 127630733 in words is "one hundred twenty-seven million, six hundred thirty thousand, seven hundred thirty-three".