70547317 has 4 divisors (see below), whose sum is σ = 70566336. Its totient is φ = 70528300.

The previous prime is 70547251. The next prime is 70547327. The reversal of 70547317 is 71374507.

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 70547317 - 2⁷ = 70547189 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 (70547327) 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, 1933 + ... + 12034.

It is an arithmetic number, because the mean of its divisors is an integer number (17641584).

Almost surely, 2^70547317 is an apocalyptic number.

It is an amenable number.

70547317 is a deficient number, since it is larger than the sum of its proper divisors (19019).

70547317 is a wasteful number, since it uses less digits than its factorization.

70547317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19018.

The product of its (nonzero) digits is 20580, while the sum is 34.

The square root of 70547317 is about 8399.2450255961. The cubic root of 70547317 is about 413.1998614454.

The spelling of 70547317 in words is "seventy million, five hundred forty-seven thousand, three hundred seventeen".