70440082 has 8 divisors (see below), whose sum is σ = 108515916. Its totient is φ = 34268112.

The previous prime is 70440067. The next prime is 70440089. The reversal of 70440082 is 28004407.

It can be written as a sum of positive squares in 2 ways, for example, as 69205761 + 1234321 = 8319^2 + 1111^2 .

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 (70440089) 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 3 ways as a sum of consecutive naturals, for example, 475873 + ... + 476020.

Almost surely, 2^70440082 is an apocalyptic number.

70440082 is a deficient number, since it is larger than the sum of its proper divisors (38075834).

70440082 is a wasteful number, since it uses less digits than its factorization.

70440082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951932.

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 70440082 is about 8392.8589884496. The cubic root of 70440082 is about 412.9903946706.

Adding to 70440082 its reverse (28004407), we get a palindrome (98444489).

The spelling of 70440082 in words is "seventy million, four hundred forty thousand, eighty-two".