70913543 has 8 divisors (see below), whose sum is σ = 71804928. Its totient is φ = 70026264.

The previous prime is 70913539. The next prime is 70913551. The reversal of 70913543 is 34531907.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70913543 - 2² = 70913539 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70913503) 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 7 ways as a sum of consecutive naturals, for example, 46946 + ... + 48432.

It is an arithmetic number, because the mean of its divisors is an integer number (8975616).

Almost surely, 2^70913543 is an apocalyptic number.

70913543 is a deficient number, since it is larger than the sum of its proper divisors (891385).

70913543 is a wasteful number, since it uses less digits than its factorization.

70913543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2053.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 70913543 is about 8421.0179313430. The cubic root of 70913543 is about 413.9136302980.

The spelling of 70913543 in words is "seventy million, nine hundred thirteen thousand, five hundred forty-three".