706036631 has 4 divisors (see below), whose sum is σ = 717611064. Its totient is φ = 694462200.

The previous prime is 706036621. The next prime is 706036633. The reversal of 706036631 is 136630607.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 136630607 = 59 ⋅2315773.

It is a cyclic number.

It is not a de Polignac number, because 706036631 - 2¹⁴ = 706020247 is a prime.

It is a super-2 number, since 2×706036631² = 996975448627660322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (706036633) 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, 5787125 + ... + 5787246.

It is an arithmetic number, because the mean of its divisors is an integer number (179402766).

Almost surely, 2^706036631 is an apocalyptic number.

706036631 is a deficient number, since it is larger than the sum of its proper divisors (11574433).

706036631 is a wasteful number, since it uses less digits than its factorization.

706036631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11574432.

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 706036631 is about 26571.3498151675. The cubic root of 706036631 is about 890.4490563059.

The spelling of 706036631 in words is "seven hundred six million, thirty-six thousand, six hundred thirty-one".