712000073 has 4 divisors (see below), whose sum is σ = 712415508. Its totient is φ = 711584640.

The previous prime is 712000067. The next prime is 712000087. The reversal of 712000073 is 370000217.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 370000217 = 983 ⋅376399.

It can be written as a sum of positive squares in 2 ways, for example, as 264127504 + 447872569 = 16252^2 + 21163^2 .

It is a cyclic number.

It is not a de Polignac number, because 712000073 - 2⁴ = 712000057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (712000043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205136 + ... + 208577.

It is an arithmetic number, because the mean of its divisors is an integer number (178103877).

Almost surely, 2^712000073 is an apocalyptic number.

It is an amenable number.

712000073 is a deficient number, since it is larger than the sum of its proper divisors (415435).

712000073 is a wasteful number, since it uses less digits than its factorization.

712000073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415434.

The product of its (nonzero) digits is 294, while the sum is 20.

The square root of 712000073 is about 26683.3294961480. The cubic root of 712000073 is about 892.9490496344.

The spelling of 712000073 in words is "seven hundred twelve million, seventy-three", and thus it is an aban number.