70726065 has 16 divisors (see below), whose sum is σ = 113533056. Its totient is φ = 37596800.

The previous prime is 70726063. The next prime is 70726079. The reversal of 70726065 is 56062707.

It is not a de Polignac number, because 70726065 - 2¹ = 70726063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70726063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2916 + ... + 12245.

It is an arithmetic number, because the mean of its divisors is an integer number (7095816).

Almost surely, 2^70726065 is an apocalyptic number.

It is an amenable number.

70726065 is a deficient number, since it is larger than the sum of its proper divisors (42806991).

70726065 is a wasteful number, since it uses less digits than its factorization.

70726065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15480.

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 70726065 is about 8409.8790122094. The cubic root of 70726065 is about 413.5485463673.

The spelling of 70726065 in words is "seventy million, seven hundred twenty-six thousand, sixty-five".