70905106 has 8 divisors (see below), whose sum is σ = 106472124. Its totient is φ = 35414400.

The previous prime is 70905101. The next prime is 70905161. The reversal of 70905106 is 60150907.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 63856081 + 7049025 = 7991^2 + 2655^2 .

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

It is not an unprimeable number, because it can be changed into a prime (70905101) 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 3 ways as a sum of consecutive naturals, for example, 16695 + ... + 20506.

Almost surely, 2^70905106 is an apocalyptic number.

70905106 is a deficient number, since it is larger than the sum of its proper divisors (35567018).

70905106 is a wasteful number, since it uses less digits than its factorization.

70905106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38156.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 70905106 is about 8420.5169675026. The cubic root of 70905106 is about 413.8972144031.

The spelling of 70905106 in words is "seventy million, nine hundred five thousand, one hundred six".