70801072 has 20 divisors (see below), whose sum is σ = 137323800. Its totient is φ = 35362688.

The previous prime is 70801063. The next prime is 70801097. The reversal of 70801072 is 27010807.

It is a happy 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 3 ways as a sum of consecutive naturals, for example, 18804 + ... + 22252.

It is an arithmetic number, because the mean of its divisors is an integer number (6866190).

Almost surely, 2^70801072 is an apocalyptic number.

It is an amenable number.

70801072 is a deficient number, since it is larger than the sum of its proper divisors (66522728).

70801072 is a wasteful number, since it uses less digits than its factorization.

70801072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4740 (or 4734 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 25.

The square root of 70801072 is about 8414.3372882242. The cubic root of 70801072 is about 413.6946880420.

Adding to 70801072 its reverse (27010807), we get a palindrome (97811879).

The spelling of 70801072 in words is "seventy million, eight hundred one thousand, seventy-two".