712640735 has 8 divisors (see below), whose sum is σ = 869188416. Its totient is φ = 560766240.

The previous prime is 712640723. The next prime is 712640737. The reversal of 712640735 is 537046217.

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

It is not a de Polignac number, because 712640735 - 2⁸ = 712640479 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 712640695 and 712640704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712640737) 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, 1167959 + ... + 1168568.

It is an arithmetic number, because the mean of its divisors is an integer number (108648552).

Almost surely, 2^712640735 is an apocalyptic number.

712640735 is a deficient number, since it is larger than the sum of its proper divisors (156547681).

712640735 is a wasteful number, since it uses less digits than its factorization.

712640735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2336593.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 712640735 is about 26695.3317079972. The cubic root of 712640735 is about 893.2167963406.

The spelling of 712640735 in words is "seven hundred twelve million, six hundred forty thousand, seven hundred thirty-five".