712405655 has 32 divisors (see below), whose sum is σ = 979340544. Its totient is φ = 492834816.

The previous prime is 712405651. The next prime is 712405663. The reversal of 712405655 is 556504217.

It is a cyclic number.

It is not a de Polignac number, because 712405655 - 2² = 712405651 is a prime.

It is a super-4 number, since 4×712405655⁴ (a number of 37 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712405651) 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 31 ways as a sum of consecutive naturals, for example, 256082 + ... + 258848.

It is an arithmetic number, because the mean of its divisors is an integer number (30604392).

Almost surely, 2^712405655 is an apocalyptic number.

712405655 is a deficient number, since it is larger than the sum of its proper divisors (266934889).

712405655 is a wasteful number, since it uses less digits than its factorization.

712405655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3035.

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 712405655 is about 26690.9283278046. The cubic root of 712405655 is about 893.1185698959.

The spelling of 712405655 in words is "seven hundred twelve million, four hundred five thousand, six hundred fifty-five".