70935645 has 80 divisors (see below), whose sum is σ = 139147200. Its totient is φ = 30666240.

The previous prime is 70935629. The next prime is 70935649. The reversal of 70935645 is 54653907.

It is not a de Polignac number, because 70935645 - 2⁴ = 70935629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70935649) 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 79 ways as a sum of consecutive naturals, for example, 3733446 + ... + 3733464.

It is an arithmetic number, because the mean of its divisors is an integer number (1739340).

Almost surely, 2^70935645 is an apocalyptic number.

It is an amenable number.

70935645 is a deficient number, since it is larger than the sum of its proper divisors (68211555).

70935645 is a wasteful number, since it uses less digits than its factorization.

70935645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88 (or 55 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 39.

The square root of 70935645 is about 8422.3301407627. The cubic root of 70935645 is about 413.9566280499.

The spelling of 70935645 in words is "seventy million, nine hundred thirty-five thousand, six hundred forty-five".