70429830 has 32 divisors (see below), whose sum is σ = 174486528. Its totient is φ = 18175200.

The previous prime is 70429823. The next prime is 70429897. The reversal of 70429830 is 3892407.

It is a junction number, because it is equal to n+sod(n) for n = 70429791 and 70429800.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 36936 + ... + 38795.

It is an arithmetic number, because the mean of its divisors is an integer number (5452704).

Almost surely, 2^70429830 is an apocalyptic number.

70429830 is an abundant number, since it is smaller than the sum of its proper divisors (104056698).

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

70429830 is a wasteful number, since it uses less digits than its factorization.

70429830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75772.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 70429830 is about 8392.2482089128. The cubic root of 70429830 is about 412.9703578637.

The spelling of 70429830 in words is "seventy million, four hundred twenty-nine thousand, eight hundred thirty".