712090 has 8 divisors (see below), whose sum is σ = 1281780. Its totient is φ = 284832.

The previous prime is 712067. The next prime is 712093. The reversal of 712090 is 90217.

It can be written as a sum of positive squares in 2 ways, for example, as 594441 + 117649 = 771^2 + 343^2 .

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

It is not an unprimeable number, because it can be changed into a prime (712093) 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, 35595 + ... + 35614.

2⁷¹²⁰⁹⁰ is an apocalyptic number.

712090 is a deficient number, since it is larger than the sum of its proper divisors (569690).

712090 is a wasteful number, since it uses less digits than its factorization.

712090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71216.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 712090 is about 843.8542528186. The cubic root of 712090 is about 89.2986641788.

The spelling of 712090 in words is "seven hundred twelve thousand, ninety".