70489361 has 8 divisors (see below), whose sum is σ = 74738664. Its totient is φ = 66251520.

The previous prime is 70489337. The next prime is 70489387. The reversal of 70489361 is 16398407.

It can be written as a sum of positive squares in 4 ways, for example, as 17272336 + 53217025 = 4156^2 + 7295^2 .

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 70489361 - 2¹⁰ = 70488337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70489301) 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, 12071 + ... + 16931.

It is an arithmetic number, because the mean of its divisors is an integer number (9342333).

Almost surely, 2^70489361 is an apocalyptic number.

It is an amenable number.

70489361 is a deficient number, since it is larger than the sum of its proper divisors (4249303).

70489361 is a wasteful number, since it uses less digits than its factorization.

70489361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5731.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 70489361 is about 8395.7942447394. The cubic root of 70489361 is about 413.0866798583.

The spelling of 70489361 in words is "seventy million, four hundred eighty-nine thousand, three hundred sixty-one".