712727949 has 4 divisors (see below), whose sum is σ = 950303936. Its totient is φ = 475151964.

The previous prime is 712727923. The next prime is 712727971. The reversal of 712727949 is 949727217.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 712727949 - 2¹² = 712723853 is a prime.

It is a super-2 number, since 2×712727949² = 1015962258571493202, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 712727898 and 712727907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712727989) 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, 118787989 + ... + 118787994.

It is an arithmetic number, because the mean of its divisors is an integer number (237575984).

Almost surely, 2^712727949 is an apocalyptic number.

It is an amenable number.

712727949 is a deficient number, since it is larger than the sum of its proper divisors (237575987).

712727949 is a wasteful number, since it uses less digits than its factorization.

712727949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237575986.

The product of its digits is 444528, while the sum is 48.

The square root of 712727949 is about 26696.9651646025. The cubic root of 712727949 is about 893.2532325738.

The spelling of 712727949 in words is "seven hundred twelve million, seven hundred twenty-seven thousand, nine hundred forty-nine".