70940543 has 2 divisors, whose sum is σ = 70940544. Its totient is φ = 70940542.

The previous prime is 70940501. The next prime is 70940557. The reversal of 70940543 is 34504907.

It is a strong prime.

It is an emirp because it is prime and its reverse (34504907) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70940543 - 2¹⁴ = 70924159 is a prime.

It is a super-2 number, since 2×70940543² = 10065121282269698, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70940563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35470271 + 35470272.

It is an arithmetic number, because the mean of its divisors is an integer number (35470272).

Almost surely, 2^70940543 is an apocalyptic number.

70940543 is a deficient number, since it is larger than the sum of its proper divisors (1).

70940543 is an equidigital number, since it uses as much as digits as its factorization.

70940543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 70940543 is about 8422.6209103818. The cubic root of 70940543 is about 413.9661555256.

The spelling of 70940543 in words is "seventy million, nine hundred forty thousand, five hundred forty-three".