70885684 has 6 divisors (see below), whose sum is σ = 124049954. Its totient is φ = 35442840.

The previous prime is 70885667. The next prime is 70885687. The reversal of 70885684 is 48658807.

It can be written as a sum of positive squares in only one way, i.e., 51437584 + 19448100 = 7172^2 + 4410^2 .

It is a super-2 number, since 2×70885684² = 10049560392295712, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70885687) by changing a digit.

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 as a sum of consecutive naturals, namely, 8860707 + ... + 8860714.

Almost surely, 2^70885684 is an apocalyptic number.

It is an amenable number.

70885684 is a deficient number, since it is larger than the sum of its proper divisors (53164270).

70885684 is a wasteful number, since it uses less digits than its factorization.

70885684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17721425 (or 17721423 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 46.

The square root of 70885684 is about 8419.3636339096. The cubic root of 70885684 is about 413.8594200126.

The spelling of 70885684 in words is "seventy million, eight hundred eighty-five thousand, six hundred eighty-four".