70677645 has 24 divisors (see below), whose sum is σ = 115951008. Its totient is φ = 36762240.

The previous prime is 70677641. The next prime is 70677667. The reversal of 70677645 is 54677607.

It is not a de Polignac number, because 70677645 - 2² = 70677641 is a prime.

It is a super-3 number, since 3×70677645³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70677597 and 70677606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70677641) 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 23 ways as a sum of consecutive naturals, for example, 23814 + ... + 26616.

It is an arithmetic number, because the mean of its divisors is an integer number (4831292).

Almost surely, 2^70677645 is an apocalyptic number.

It is an amenable number.

70677645 is a deficient number, since it is larger than the sum of its proper divisors (45273363).

70677645 is a wasteful number, since it uses less digits than its factorization.

70677645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2893 (or 2852 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 42.

The square root of 70677645 is about 8406.9997621030. Note that the first 3 decimals coincide. The cubic root of 70677645 is about 413.4541512202.

The spelling of 70677645 in words is "seventy million, six hundred seventy-seven thousand, six hundred forty-five".