706132921 has 8 divisors (see below), whose sum is σ = 764434944. Its totient is φ = 648400080.

The previous prime is 706132897. The next prime is 706132951. The reversal of 706132921 is 129231607.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-706132921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (706132951) 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 7 ways as a sum of consecutive naturals, for example, 139711 + ... + 144676.

It is an arithmetic number, because the mean of its divisors is an integer number (95554368).

Almost surely, 2^706132921 is an apocalyptic number.

It is an amenable number.

706132921 is a deficient number, since it is larger than the sum of its proper divisors (58302023).

706132921 is a wasteful number, since it uses less digits than its factorization.

706132921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284591.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 706132921 is about 26573.1616673666. The cubic root of 706132921 is about 890.4895345844.

The spelling of 706132921 in words is "seven hundred six million, one hundred thirty-two thousand, nine hundred twenty-one".