70898049 has 6 divisors (see below), whose sum is σ = 102408306. Its totient is φ = 47265360.

The previous prime is 70898033. The next prime is 70898053. The reversal of 70898049 is 94089807.

It can be written as a sum of positive squares in only one way, i.e., 70308225 + 589824 = 8385^2 + 768^2 .

It is not a de Polignac number, because 70898049 - 2⁴ = 70898033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70897995 and 70898013.

It is not an unprimeable number, because it can be changed into a prime (70891049) 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 5 ways as a sum of consecutive naturals, for example, 3938772 + ... + 3938789.

It is an arithmetic number, because the mean of its divisors is an integer number (17068051).

Almost surely, 2^70898049 is an apocalyptic number.

It is an amenable number.

70898049 is a deficient number, since it is larger than the sum of its proper divisors (31510257).

70898049 is a wasteful number, since it uses less digits than its factorization.

70898049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7877567 (or 7877564 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 70898049 is about 8420.0979210458. The cubic root of 70898049 is about 413.8834825780.

The spelling of 70898049 in words is "seventy million, eight hundred ninety-eight thousand, forty-nine".