712953661 has 8 divisors (see below), whose sum is σ = 842901120. Its totient is φ = 590030448.

The previous prime is 712953653. The next prime is 712953691. The reversal of 712953661 is 166359217.

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

It is not a de Polignac number, because 712953661 - 2³ = 712953653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712953601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1755841 + ... + 1756246.

It is an arithmetic number, because the mean of its divisors is an integer number (105362640).

Almost surely, 2^712953661 is an apocalyptic number.

It is an amenable number.

712953661 is a deficient number, since it is larger than the sum of its proper divisors (129947459).

712953661 is a wasteful number, since it uses less digits than its factorization.

712953661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3512123.

The product of its digits is 68040, while the sum is 40.

The square root of 712953661 is about 26701.1921269444. The cubic root of 712953661 is about 893.3475166525.

The spelling of 712953661 in words is "seven hundred twelve million, nine hundred fifty-three thousand, six hundred sixty-one".