712170072 has 24 divisors (see below), whose sum is σ = 1928794140. Its totient is φ = 237390000.

The previous prime is 712170071. The next prime is 712170083. The reversal of 712170072 is 270071217.

712170072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×712170072² = 1014372422904970368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712170071) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4945554 + ... + 4945697.

Almost surely, 2^712170072 is an apocalyptic number.

712170072 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

712170072 is an abundant number, since it is smaller than the sum of its proper divisors (1216624068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

712170072 is a wasteful number, since it uses less digits than its factorization.

712170072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9891263 (or 9891256 counting only the distinct ones).

The product of its (nonzero) digits is 1372, while the sum is 27.

The square root of 712170072 is about 26686.5147968033. The cubic root of 712170072 is about 893.0201115960.

The spelling of 712170072 in words is "seven hundred twelve million, one hundred seventy thousand, seventy-two".