70187552 has 18 divisors (see below), whose sum is σ = 138275109. Its totient is φ = 35070080.

The previous prime is 70187549. The next prime is 70187561. The reversal of 70187552 is 25578107.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 69822736 + 364816 = 8356^2 + 604^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=5924.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 46652 + ... + 48132.

Almost surely, 2^70187552 is an apocalyptic number.

It is an amenable number.

70187552 is a deficient number, since it is larger than the sum of its proper divisors (68087557).

70187552 is an frugal number, since it uses more digits than its factorization.

70187552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2972 (or 1483 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 35.

The square root of 70187552 is about 8377.8011434982. The cubic root of 70187552 is about 412.4962756933.

The spelling of 70187552 in words is "seventy million, one hundred eighty-seven thousand, five hundred fifty-two".