70645105 has 8 divisors (see below), whose sum is σ = 84867264. Its totient is φ = 56454000.

The previous prime is 70645103. The next prime is 70645109. The reversal of 70645105 is 50154607.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70645105 - 2¹ = 70645103 is a prime.

It is a super-2 number, since 2×70645105² = 9981461720922050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70645103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2421 + ... + 12130.

It is an arithmetic number, because the mean of its divisors is an integer number (10608408).

Almost surely, 2^70645105 is an apocalyptic number.

It is an amenable number.

70645105 is a deficient number, since it is larger than the sum of its proper divisors (14222159).

70645105 is a wasteful number, since it uses less digits than its factorization.

70645105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15527.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 70645105 is about 8405.0642472262. The cubic root of 70645105 is about 413.3906900258.

The spelling of 70645105 in words is "seventy million, six hundred forty-five thousand, one hundred five".