70302872 has 8 divisors (see below), whose sum is σ = 131817900. Its totient is φ = 35151432.

The previous prime is 70302847. The next prime is 70302889. The reversal of 70302872 is 27820307.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×70302872² = 9884987622896768, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 4393922 + ... + 4393937.

Almost surely, 2^70302872 is an apocalyptic number.

It is an amenable number.

70302872 is a deficient number, since it is larger than the sum of its proper divisors (61515028).

70302872 is a wasteful number, since it uses less digits than its factorization.

70302872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8787865 (or 8787861 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 70302872 is about 8384.6807929700. The cubic root of 70302872 is about 412.7220661671.

The spelling of 70302872 in words is "seventy million, three hundred two thousand, eight hundred seventy-two".