70623271 has 8 divisors (see below), whose sum is σ = 74124000. Its totient is φ = 67158432.

The previous prime is 70623263. The next prime is 70623277. The reversal of 70623271 is 17232607.

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 70623271 - 2³ = 70623263 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 (70623277) 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, 4896 + ... + 12853.

It is an arithmetic number, because the mean of its divisors is an integer number (9265500).

Almost surely, 2^70623271 is an apocalyptic number.

70623271 is a deficient number, since it is larger than the sum of its proper divisors (3500729).

70623271 is a wasteful number, since it uses less digits than its factorization.

70623271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17945.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 70623271 is about 8403.7652870603. The cubic root of 70623271 is about 413.3480973019.

Adding to 70623271 its reverse (17232607), we get a palindrome (87855878).

The spelling of 70623271 in words is "seventy million, six hundred twenty-three thousand, two hundred seventy-one".