706755138 has 32 divisors (see below), whose sum is σ = 1451256576. Its totient is φ = 229331088.

The previous prime is 706755131. The next prime is 706755139. The reversal of 706755138 is 831557607.

It is a self number, because there is not a number n which added to its sum of digits gives 706755138.

It is not an unprimeable number, because it can be changed into a prime (706755131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74745 + ... + 83667.

It is an arithmetic number, because the mean of its divisors is an integer number (45351768).

Almost surely, 2^706755138 is an apocalyptic number.

706755138 is an abundant number, since it is smaller than the sum of its proper divisors (744501438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

706755138 is a wasteful number, since it uses less digits than its factorization.

706755138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9278.

The product of its (nonzero) digits is 176400, while the sum is 42.

The square root of 706755138 is about 26584.8667102169. The cubic root of 706755138 is about 890.7510127688.

The spelling of 706755138 in words is "seven hundred six million, seven hundred fifty-five thousand, one hundred thirty-eight".