70415745 has 16 divisors (see below), whose sum is σ = 112810752. Its totient is φ = 37506560.

The previous prime is 70415731. The next prime is 70415749. The reversal of 70415745 is 54751407.

It is not a de Polignac number, because 70415745 - 2⁵ = 70415713 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (70415749) 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, 11089 + ... + 16241.

It is an arithmetic number, because the mean of its divisors is an integer number (7050672).

Almost surely, 2^70415745 is an apocalyptic number.

It is an amenable number.

70415745 is a deficient number, since it is larger than the sum of its proper divisors (42395007).

70415745 is a wasteful number, since it uses less digits than its factorization.

70415745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6072.

The product of its (nonzero) digits is 19600, while the sum is 33.

The square root of 70415745 is about 8391.4089996853. The cubic root of 70415745 is about 412.9428265592.

The spelling of 70415745 in words is "seventy million, four hundred fifteen thousand, seven hundred forty-five".