70655070 has 16 divisors (see below), whose sum is σ = 169572240. Its totient is φ = 18841344.

The previous prime is 70655069. The next prime is 70655071. The reversal of 70655070 is 7055607.

It is an interprime number because it is at equal distance from previous prime (70655069) and next prime (70655071).

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 2355169 = 70655070 / (7 + 0 + 6 + 5 + 5 + 0 + 7 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70655071) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1177555 + ... + 1177614.

It is an arithmetic number, because the mean of its divisors is an integer number (10598265).

Almost surely, 2^70655070 is an apocalyptic number.

70655070 is an abundant number, since it is smaller than the sum of its proper divisors (98917170).

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

70655070 is a wasteful number, since it uses less digits than its factorization.

70655070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2355179.

The product of its (nonzero) digits is 7350, while the sum is 30.

The square root of 70655070 is about 8405.6570236954. The cubic root of 70655070 is about 413.4101263550.

The spelling of 70655070 in words is "seventy million, six hundred fifty-five thousand, seventy".