70700478 has 8 divisors (see below), whose sum is σ = 141400968. Its totient is φ = 23566824.

The previous prime is 70700473. The next prime is 70700489. The reversal of 70700478 is 87400707.

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

70700478 is an admirable number.

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 (70700473) 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, 5891701 + ... + 5891712.

It is an arithmetic number, because the mean of its divisors is an integer number (17675121).

Almost surely, 2^70700478 is an apocalyptic number.

70700478 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

70700478 is a wasteful number, since it uses less digits than its factorization.

70700478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11783418.

The product of its (nonzero) digits is 10976, while the sum is 33.

The square root of 70700478 is about 8408.3576279794. The cubic root of 70700478 is about 413.4986696919.

The spelling of 70700478 in words is "seventy million, seven hundred thousand, four hundred seventy-eight".