70429738 has 8 divisors (see below), whose sum is σ = 105714720. Its totient is φ = 35191500.

The previous prime is 70429727. The next prime is 70429741. The reversal of 70429738 is 83792407.

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

It is a self number, because there is not a number n which added to its sum of digits gives 70429738.

It is an unprimeable number.

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, 7638 + ... + 14113.

It is an arithmetic number, because the mean of its divisors is an integer number (13214340).

Almost surely, 2^70429738 is an apocalyptic number.

70429738 is a deficient number, since it is larger than the sum of its proper divisors (35284982).

70429738 is a wasteful number, since it uses less digits than its factorization.

70429738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23372.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 70429738 is about 8392.2427276623. The cubic root of 70429738 is about 412.9701780474.

The spelling of 70429738 in words is "seventy million, four hundred twenty-nine thousand, seven hundred thirty-eight".