70313543 has 4 divisors (see below), whose sum is σ = 70336488. Its totient is φ = 70290600.

The previous prime is 70313539. The next prime is 70313569. The reversal of 70313543 is 34531307.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70313543 - 2² = 70313539 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 (70313143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6008 + ... + 13293.

It is an arithmetic number, because the mean of its divisors is an integer number (17584122).

Almost surely, 2^70313543 is an apocalyptic number.

70313543 is a deficient number, since it is larger than the sum of its proper divisors (22945).

70313543 is a wasteful number, since it uses less digits than its factorization.

70313543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22944.

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 70313543 is about 8385.3171078976. The cubic root of 70313543 is about 412.7429469374.

The spelling of 70313543 in words is "seventy million, three hundred thirteen thousand, five hundred forty-three".