70891168 has 12 divisors (see below), whose sum is σ = 139567050. Its totient is φ = 35445568.

The previous prime is 70891151. The next prime is 70891187. The reversal of 70891168 is 86119807.

It can be written as a sum of positive squares in only one way, i.e., 69422224 + 1468944 = 8332^2 + 1212^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 70891168.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1107643 + ... + 1107706.

Almost surely, 2^70891168 is an apocalyptic number.

It is an amenable number.

70891168 is a deficient number, since it is larger than the sum of its proper divisors (68675882).

70891168 is a wasteful number, since it uses less digits than its factorization.

70891168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2215359 (or 2215351 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 40.

The square root of 70891168 is about 8419.6893054316. The cubic root of 70891168 is about 413.8700923440.

The spelling of 70891168 in words is "seventy million, eight hundred ninety-one thousand, one hundred sixty-eight".