712388949 has 4 divisors (see below), whose sum is σ = 949851936. Its totient is φ = 474925964.

The previous prime is 712388933. The next prime is 712388977. The reversal of 712388949 is 949883217.

712388949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 949883217 = 3 ⋅316627739.

It is a cyclic number.

It is not a de Polignac number, because 712388949 - 2⁴ = 712388933 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712388909) 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, 118731489 + ... + 118731494.

It is an arithmetic number, because the mean of its divisors is an integer number (237462984).

Almost surely, 2^712388949 is an apocalyptic number.

It is an amenable number.

712388949 is a deficient number, since it is larger than the sum of its proper divisors (237462987).

712388949 is a wasteful number, since it uses less digits than its factorization.

712388949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237462986.

The product of its digits is 870912, while the sum is 51.

The square root of 712388949 is about 26690.6153731981. The cubic root of 712388949 is about 893.1115885947. Note that the first 3 decimals are identical.

The spelling of 712388949 in words is "seven hundred twelve million, three hundred eighty-eight thousand, nine hundred forty-nine".