712821794 has 8 divisors (see below), whose sum is σ = 1069683408. Its totient is φ = 356260660.

The previous prime is 712821779. The next prime is 712821797. The reversal of 712821794 is 497128217.

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

It is a super-2 number, since 2×712821794² = 1016229820002756872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (712821797) 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, 69092 + ... + 78735.

It is an arithmetic number, because the mean of its divisors is an integer number (133710426).

Almost surely, 2^712821794 is an apocalyptic number.

712821794 is a deficient number, since it is larger than the sum of its proper divisors (356861614).

712821794 is a wasteful number, since it uses less digits than its factorization.

712821794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150240.

The product of its digits is 56448, while the sum is 41.

The square root of 712821794 is about 26698.7227035302. The cubic root of 712821794 is about 893.2924357840.

The spelling of 712821794 in words is "seven hundred twelve million, eight hundred twenty-one thousand, seven hundred ninety-four".