70918478 has 16 divisors (see below), whose sum is σ = 109616496. Its totient is φ = 34395840.

The previous prime is 70918457. The next prime is 70918501. The reversal of 70918478 is 87481907.

It is a Smith number, since the sum of its digits (44) 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 an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4925 + ... + 12887.

It is an arithmetic number, because the mean of its divisors is an integer number (6851031).

Almost surely, 2^70918478 is an apocalyptic number.

70918478 is a deficient number, since it is larger than the sum of its proper divisors (38698018).

70918478 is a wasteful number, since it uses less digits than its factorization.

70918478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8099.

The product of its (nonzero) digits is 112896, while the sum is 44.

The square root of 70918478 is about 8421.3109430777. The cubic root of 70918478 is about 413.9232317380.

The spelling of 70918478 in words is "seventy million, nine hundred eighteen thousand, four hundred seventy-eight".