655705070 has 16 divisors (see below), whose sum is σ = 1184474448. Its totient is φ = 261347520.

The previous prime is 655705069. The next prime is 655705129. The reversal of 655705070 is 70507556.

It is a self number, because there is not a number n which added to its sum of digits gives 655705070.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113864 + ... + 119483.

It is an arithmetic number, because the mean of its divisors is an integer number (74029653).

Almost surely, 2^655705070 is an apocalyptic number.

655705070 is a deficient number, since it is larger than the sum of its proper divisors (528769378).

655705070 is a wasteful number, since it uses less digits than its factorization.

655705070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233635.

The product of its (nonzero) digits is 36750, while the sum is 35.

The square root of 655705070 is about 25606.7387615057. The cubic root of 655705070 is about 868.7660623982.

The spelling of 655705070 in words is "six hundred fifty-five million, seven hundred five thousand, seventy".