70438316 has 12 divisors (see below), whose sum is σ = 132749232. Its totient is φ = 32509968.

The previous prime is 70438279. The next prime is 70438363. The reversal of 70438316 is 61383407.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 677240 + ... + 677343.

It is an arithmetic number, because the mean of its divisors is an integer number (11062436).

Almost surely, 2^70438316 is an apocalyptic number.

It is an amenable number.

70438316 is a deficient number, since it is larger than the sum of its proper divisors (62310916).

70438316 is a wasteful number, since it uses less digits than its factorization.

70438316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1354600 (or 1354598 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 70438316 is about 8392.7537793027. The cubic root of 70438316 is about 412.9869432874.

The spelling of 70438316 in words is "seventy million, four hundred thirty-eight thousand, three hundred sixteen".