70146307 has 16 divisors (see below), whose sum is σ = 87639552. Its totient is φ = 54544320.

The previous prime is 70146289. The next prime is 70146337. The reversal of 70146307 is 70364107.

It is a cyclic number.

It is not a de Polignac number, because 70146307 - 2¹⁵ = 70113539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70146337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65458 + ... + 66520.

It is an arithmetic number, because the mean of its divisors is an integer number (5477472).

Almost surely, 2^70146307 is an apocalyptic number.

70146307 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

70146307 is a deficient number, since it is larger than the sum of its proper divisors (17493245).

70146307 is a wasteful number, since it uses less digits than its factorization.

70146307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1938.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 70146307 is about 8375.3392170109. The cubic root of 70146307 is about 412.4154601162.

The spelling of 70146307 in words is "seventy million, one hundred forty-six thousand, three hundred seven".