70430938 has 8 divisors (see below), whose sum is σ = 105700788. Its totient is φ = 35197344.

The previous prime is 70430933. The next prime is 70430963. The reversal of 70430938 is 83903407.

It can be written as a sum of positive squares in 2 ways, for example, as 53100369 + 17330569 = 7287^2 + 4163^2 .

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 (70430933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3531 + ... + 12382.

Almost surely, 2^70430938 is an apocalyptic number.

70430938 is a deficient number, since it is larger than the sum of its proper divisors (35269850).

70430938 is a wasteful number, since it uses less digits than its factorization.

70430938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18128.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 70430938 is about 8392.3142219533. The cubic root of 70430938 is about 412.9725234648.

The spelling of 70430938 in words is "seventy million, four hundred thirty thousand, nine hundred thirty-eight".