712478105 has 16 divisors (see below), whose sum is σ = 880923600. Its totient is φ = 552782592.

The previous prime is 712478101. The next prime is 712478111. The reversal of 712478105 is 501874217.

It can be written as a sum of positive squares in 8 ways, for example, as 31685641 + 680792464 = 5629^2 + 26092^2 .

It is a cyclic number.

It is not a de Polignac number, because 712478105 - 2² = 712478101 is a prime.

It is not an unprimeable number, because it can be changed into a prime (712478101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52571 + ... + 64719.

It is an arithmetic number, because the mean of its divisors is an integer number (55057725).

Almost surely, 2^712478105 is an apocalyptic number.

It is an amenable number.

712478105 is a deficient number, since it is larger than the sum of its proper divisors (168445495).

712478105 is a wasteful number, since it uses less digits than its factorization.

712478105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12508.

The product of its (nonzero) digits is 15680, while the sum is 35.

The square root of 712478105 is about 26692.2854960005. The cubic root of 712478105 is about 893.1488448975.

The spelling of 712478105 in words is "seven hundred twelve million, four hundred seventy-eight thousand, one hundred five".