70770089 has 8 divisors (see below), whose sum is σ = 76279560. Its totient is φ = 65270016.

The previous prime is 70770071. The next prime is 70770097. The reversal of 70770089 is 98007707.

It can be written as a sum of positive squares in 4 ways, for example, as 75625 + 70694464 = 275^2 + 8408^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70770089 is a prime.

It is a super-3 number, since 3×70770089³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70770019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26399 + ... + 28955.

It is an arithmetic number, because the mean of its divisors is an integer number (9534945).

Almost surely, 2^70770089 is an apocalyptic number.

It is an amenable number.

70770089 is a deficient number, since it is larger than the sum of its proper divisors (5509471).

70770089 is a wasteful number, since it uses less digits than its factorization.

70770089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4699.

The product of its (nonzero) digits is 24696, while the sum is 38.

The square root of 70770089 is about 8412.4960029708. The cubic root of 70770089 is about 413.6343340940.

The spelling of 70770089 in words is "seventy million, seven hundred seventy thousand, eighty-nine".