70480889 has 4 divisors (see below), whose sum is σ = 70568820. Its totient is φ = 70392960.

The previous prime is 70480859. The next prime is 70480909. The reversal of 70480889 is 98808407.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 60715264 + 9765625 = 7792^2 + 3125^2 .

It is a cyclic number.

It is not a de Polignac number, because 70480889 - 2¹² = 70476793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70480849) 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, 42752 + ... + 44369.

It is an arithmetic number, because the mean of its divisors is an integer number (17642205).

Almost surely, 2^70480889 is an apocalyptic number.

It is an amenable number.

70480889 is a deficient number, since it is larger than the sum of its proper divisors (87931).

70480889 is an equidigital number, since it uses as much as digits as its factorization.

70480889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87930.

The product of its (nonzero) digits is 129024, while the sum is 44.

The square root of 70480889 is about 8395.2896912495. The cubic root of 70480889 is about 413.0701297931.

The spelling of 70480889 in words is "seventy million, four hundred eighty thousand, eight hundred eighty-nine".