70564149 has 8 divisors (see below), whose sum is σ = 104539520. Its totient is φ = 47042748.

The previous prime is 70564133. The next prime is 70564159. The reversal of 70564149 is 94146507.

70564149 is a `hidden beast` number, since 7 + 0 + 5 + 641 + 4 + 9 = 666.

It is not a de Polignac number, because 70564149 - 2⁴ = 70564133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70564159) 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 7 ways as a sum of consecutive naturals, for example, 1306717 + ... + 1306770.

It is an arithmetic number, because the mean of its divisors is an integer number (13067440).

Almost surely, 2^70564149 is an apocalyptic number.

It is an amenable number.

70564149 is a deficient number, since it is larger than the sum of its proper divisors (33975371).

70564149 is a wasteful number, since it uses less digits than its factorization.

70564149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2613496 (or 2613490 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 70564149 is about 8400.2469606554. The cubic root of 70564149 is about 413.2327208430.

The spelling of 70564149 in words is "seventy million, five hundred sixty-four thousand, one hundred forty-nine".