70545255 has 64 divisors (see below), whose sum is σ = 133125120. Its totient is φ = 31539200.

The previous prime is 70545253. The next prime is 70545263. The reversal of 70545255 is 55254507.

It is not a de Polignac number, because 70545255 - 2¹ = 70545253 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70545253) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 109735 + ... + 110375.

It is an arithmetic number, because the mean of its divisors is an integer number (2080080).

Almost surely, 2^70545255 is an apocalyptic number.

70545255 is a deficient number, since it is larger than the sum of its proper divisors (62579865).

70545255 is a wasteful number, since it uses less digits than its factorization.

70545255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712.

The product of its (nonzero) digits is 35000, while the sum is 33.

The square root of 70545255 is about 8399.1222755714. The cubic root of 70545255 is about 413.1958356537.

It can be divided in two parts, 705452 and 55, that added together give a palindrome (705507).

The spelling of 70545255 in words is "seventy million, five hundred forty-five thousand, two hundred fifty-five".