70042465 has 8 divisors (see below), whose sum is σ = 88995240. Its totient is φ = 52737792.

The previous prime is 70042463. The next prime is 70042481. The reversal of 70042465 is 56424007.

It can be written as a sum of positive squares in 4 ways, for example, as 24830289 + 45212176 = 4983^2 + 6724^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 70042465 - 2¹ = 70042463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70042463) 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 7 ways as a sum of consecutive naturals, for example, 411930 + ... + 412099.

It is an arithmetic number, because the mean of its divisors is an integer number (11124405).

Almost surely, 2^70042465 is an apocalyptic number.

It is an amenable number.

70042465 is a deficient number, since it is larger than the sum of its proper divisors (18952775).

70042465 is a wasteful number, since it uses less digits than its factorization.

70042465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824051.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 70042465 is about 8369.1376497223. The cubic root of 70042465 is about 412.2118514107.

It can be divided in two parts, 70042 and 465, that added together give a palindrome (70507).

The spelling of 70042465 in words is "seventy million, forty-two thousand, four hundred sixty-five".