70428651 has 8 divisors (see below), whose sum is σ = 93968784. Its totient is φ = 46920480.

The previous prime is 70428643. The next prime is 70428653. The reversal of 70428651 is 15682407.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70428651 - 2³ = 70428643 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (70428653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2260 + ... + 12081.

It is an arithmetic number, because the mean of its divisors is an integer number (11746098).

Almost surely, 2^70428651 is an apocalyptic number.

70428651 is a deficient number, since it is larger than the sum of its proper divisors (23540133).

70428651 is a wasteful number, since it uses less digits than its factorization.

70428651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15981.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 70428651 is about 8392.1779652245. The cubic root of 70428651 is about 412.9680534672.

The spelling of 70428651 in words is "seventy million, four hundred twenty-eight thousand, six hundred fifty-one".