70052481 has 6 divisors (see below), whose sum is σ = 101186930. Its totient is φ = 46701648.

The previous prime is 70052473. The next prime is 70052483. The reversal of 70052481 is 18425007.

It can be written as a sum of positive squares in only one way, i.e., 68807025 + 1245456 = 8295^2 + 1116^2 .

It is not a de Polignac number, because 70052481 - 2³ = 70052473 is a prime.

It is a super-2 number, since 2×70052481² = 9814700188510722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70052483) 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 in 5 ways as a sum of consecutive naturals, for example, 3891796 + ... + 3891813.

Almost surely, 2^70052481 is an apocalyptic number.

It is an amenable number.

70052481 is a deficient number, since it is larger than the sum of its proper divisors (31134449).

70052481 is a wasteful number, since it uses less digits than its factorization.

70052481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7783615 (or 7783612 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 70052481 is about 8369.7360173425. The cubic root of 70052481 is about 412.2314990969.

Adding to 70052481 its reverse (18425007), we get a palindrome (88477488).

The spelling of 70052481 in words is "seventy million, fifty-two thousand, four hundred eighty-one".