712145534 has 8 divisors (see below), whose sum is σ = 1068331680. Its totient is φ = 356034976.

The previous prime is 712145531. The next prime is 712145543. The reversal of 712145534 is 435541217.

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

It is a super-2 number, since 2×712145534² = 1014302523192290312, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 712145534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712145531) 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, 25862 + ... + 45750.

It is an arithmetic number, because the mean of its divisors is an integer number (133541460).

Almost surely, 2^712145534 is an apocalyptic number.

712145534 is a deficient number, since it is larger than the sum of its proper divisors (356186146).

712145534 is a wasteful number, since it uses less digits than its factorization.

712145534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37794.

The product of its digits is 16800, while the sum is 32.

The square root of 712145534 is about 26686.0550475337. The cubic root of 712145534 is about 893.0098550669.

The spelling of 712145534 in words is "seven hundred twelve million, one hundred forty-five thousand, five hundred thirty-four".