70535070 has 32 divisors (see below), whose sum is σ = 188094240. Its totient is φ = 18809280.

The previous prime is 70535053. The next prime is 70535077. The reversal of 70535070 is 7053507.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70535077) 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 15 ways as a sum of consecutive naturals, for example, 130351 + ... + 130890.

It is an arithmetic number, because the mean of its divisors is an integer number (5877945).

Almost surely, 2^70535070 is an apocalyptic number.

70535070 is an abundant number, since it is smaller than the sum of its proper divisors (117559170).

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

70535070 is a wasteful number, since it uses less digits than its factorization.

70535070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261257 (or 261251 counting only the distinct ones).

The product of its (nonzero) digits is 3675, while the sum is 27.

The square root of 70535070 is about 8398.5159403314. The cubic root of 70535070 is about 413.1759495908.

Adding to 70535070 its reverse (7053507), we get a palindrome (77588577).

The spelling of 70535070 in words is "seventy million, five hundred thirty-five thousand, seventy".