70478223 has 8 divisors (see below), whose sum is σ = 94012848. Its totient is φ = 46964544.

The previous prime is 70478203. The next prime is 70478227. The reversal of 70478223 is 32287407.

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

It is a de Polignac number, because none of the positive numbers 2^k-70478223 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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70478227) 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, 6165 + ... + 13377.

It is an arithmetic number, because the mean of its divisors is an integer number (11751606).

Almost surely, 2^70478223 is an apocalyptic number.

70478223 is a deficient number, since it is larger than the sum of its proper divisors (23534625).

70478223 is a wasteful number, since it uses less digits than its factorization.

70478223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10473.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 70478223 is about 8395.1309102360. The cubic root of 70478223 is about 413.0649214836.

The spelling of 70478223 in words is "seventy million, four hundred seventy-eight thousand, two hundred twenty-three".