712640030 has 16 divisors (see below), whose sum is σ = 1350265680. Its totient is φ = 270052992.

The previous prime is 712640029. The next prime is 712640039. The reversal of 712640030 is 30046217.

It is a junction number, because it is equal to n+sod(n) for n = 712639978 and 712640005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712640039) 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, 1875179 + ... + 1875558.

It is an arithmetic number, because the mean of its divisors is an integer number (84391605).

Almost surely, 2^712640030 is an apocalyptic number.

712640030 is a deficient number, since it is larger than the sum of its proper divisors (637625650).

712640030 is a wasteful number, since it uses less digits than its factorization.

712640030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3750763.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 712640030 is about 26695.3185034380. The cubic root of 712640030 is about 893.2165017939.

Adding to 712640030 its reverse (30046217), we get a palindrome (742686247).

The spelling of 712640030 in words is "seven hundred twelve million, six hundred forty thousand, thirty".