70552681 has 4 divisors (see below), whose sum is σ = 74266000. Its totient is φ = 66839364.

The previous prime is 70552667. The next prime is 70552693. The reversal of 70552681 is 18625507.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70552681 - 2¹¹ = 70550633 is a prime.

It is a super-2 number, since 2×70552681² = 9955361592575522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70550681) 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 3 ways as a sum of consecutive naturals, for example, 1856631 + ... + 1856668.

It is an arithmetic number, because the mean of its divisors is an integer number (18566500).

Almost surely, 2^70552681 is an apocalyptic number.

It is an amenable number.

70552681 is a deficient number, since it is larger than the sum of its proper divisors (3713319).

70552681 is a wasteful number, since it uses less digits than its factorization.

70552681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3713318.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 70552681 is about 8399.5643339402. The cubic root of 70552681 is about 413.2103336031.

The spelling of 70552681 in words is "seventy million, five hundred fifty-two thousand, six hundred eighty-one".