70684884 has 18 divisors (see below), whose sum is σ = 178675770. Its totient is φ = 23561616.

The previous prime is 70684879. The next prime is 70684897. The reversal of 70684884 is 48848607.

It can be written as a sum of positive squares in only one way, i.e., 54908100 + 15776784 = 7410^2 + 3972^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 981699 + ... + 981770.

Almost surely, 2^70684884 is an apocalyptic number.

It is an amenable number.

70684884 is an abundant number, since it is smaller than the sum of its proper divisors (107990886).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70684884 is a wasteful number, since it uses less digits than its factorization.

70684884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1963479 (or 1963474 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The square root of 70684884 is about 8407.4302851704. The cubic root of 70684884 is about 413.4682664445.

The spelling of 70684884 in words is "seventy million, six hundred eighty-four thousand, eight hundred eighty-four".