70128346 has 8 divisors (see below), whose sum is σ = 105228864. Its totient is φ = 35052060.

The previous prime is 70128343. The next prime is 70128347. The reversal of 70128346 is 64382107.

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 (70128341) 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, 5901 + ... + 13231.

It is an arithmetic number, because the mean of its divisors is an integer number (13153608).

Almost surely, 2^70128346 is an apocalyptic number.

70128346 is a deficient number, since it is larger than the sum of its proper divisors (35100518).

70128346 is a wasteful number, since it uses less digits than its factorization.

70128346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12116.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 70128346 is about 8374.2668932868. The cubic root of 70128346 is about 412.3802573773.

The spelling of 70128346 in words is "seventy million, one hundred twenty-eight thousand, three hundred forty-six".