70541693 has 8 divisors (see below), whose sum is σ = 71192568. Its totient is φ = 69894144.

The previous prime is 70541677. The next prime is 70541701. The reversal of 70541693 is 39614507.

It can be written as a sum of positive squares in 4 ways, for example, as 1352569 + 69189124 = 1163^2 + 8318^2 .

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 70541693 - 2⁴ = 70541677 is a prime.

It is a super-2 number, since 2×70541693² = 9952260902612498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70541633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60605 + ... + 61757.

It is an arithmetic number, because the mean of its divisors is an integer number (8899071).

Almost surely, 2^70541693 is an apocalyptic number.

It is an amenable number.

70541693 is a deficient number, since it is larger than the sum of its proper divisors (650875).

70541693 is a wasteful number, since it uses less digits than its factorization.

70541693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1663.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 70541693 is about 8398.9102269283. The cubic root of 70541693 is about 413.1888811187.

The spelling of 70541693 in words is "seventy million, five hundred forty-one thousand, six hundred ninety-three".