70423418 has 32 divisors (see below), whose sum is σ = 121093056. Its totient is φ = 30428928.

The previous prime is 70423417. The next prime is 70423421. The reversal of 70423418 is 81432407.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70423411) 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 15 ways as a sum of consecutive naturals, for example, 124805 + ... + 125367.

It is an arithmetic number, because the mean of its divisors is an integer number (3784158).

Almost surely, 2^70423418 is an apocalyptic number.

70423418 is a deficient number, since it is larger than the sum of its proper divisors (50669638).

70423418 is a wasteful number, since it uses less digits than its factorization.

70423418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 70423418 is about 8391.8661810112. The cubic root of 70423418 is about 412.9578250761.

The spelling of 70423418 in words is "seventy million, four hundred twenty-three thousand, four hundred eighteen".