706542624 has 36 divisors (see below), whose sum is σ = 2009231406. Its totient is φ = 235514112.

The previous prime is 706542619. The next prime is 706542643. The reversal of 706542624 is 426245607.

It can be written as a sum of positive squares in only one way, i.e., 700131600 + 6411024 = 26460^2 + 2532^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1226349 + ... + 1226924.

Almost surely, 2^706542624 is an apocalyptic number.

It is an amenable number.

706542624 is an abundant number, since it is smaller than the sum of its proper divisors (1302688782).

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

706542624 is a wasteful number, since it uses less digits than its factorization.

706542624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2453289 (or 2453278 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 706542624 is about 26580.8695117372. The cubic root of 706542624 is about 890.6617239298.

The spelling of 706542624 in words is "seven hundred six million, five hundred forty-two thousand, six hundred twenty-four".