712727138 has 8 divisors (see below), whose sum is σ = 1103577600. Its totient is φ = 344867940.

The previous prime is 712727137. The next prime is 712727153. The reversal of 712727138 is 831727217.

It is a happy number.

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

It is a super-3 number, since 3×712727138³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (712727137) 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, 5747738 + ... + 5747861.

It is an arithmetic number, because the mean of its divisors is an integer number (137947200).

Almost surely, 2^712727138 is an apocalyptic number.

712727138 is a deficient number, since it is larger than the sum of its proper divisors (390850462).

712727138 is a wasteful number, since it uses less digits than its factorization.

712727138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11495632.

The product of its digits is 32928, while the sum is 38.

The square root of 712727138 is about 26696.9499756058. The cubic root of 712727138 is about 893.2528937682.

The spelling of 712727138 in words is "seven hundred twelve million, seven hundred twenty-seven thousand, one hundred thirty-eight".