70434430 has 32 divisors (see below), whose sum is σ = 141533568. Its totient is φ = 25015200.

The previous prime is 70434401. The next prime is 70434431. The reversal of 70434430 is 3443407.

It is a super-2 number, since 2×70434430² = 9922017858849800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70434395 and 70434404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70434431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2716 + ... + 12175.

It is an arithmetic number, because the mean of its divisors is an integer number (4422924).

Almost surely, 2^70434430 is an apocalyptic number.

70434430 is an abundant number, since it is smaller than the sum of its proper divisors (71099138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70434430 is a wasteful number, since it uses less digits than its factorization.

70434430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14952.

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 70434430 is about 8392.5222668754. The cubic root of 70434430 is about 412.9793484779.

Adding to 70434430 its reverse (3443407), we get a palindrome (73877837).

The spelling of 70434430 in words is "seventy million, four hundred thirty-four thousand, four hundred thirty".