70897369 has 8 divisors (see below), whose sum is σ = 71948288. Its totient is φ = 69854400.

The previous prime is 70897349. The next prime is 70897391. The reversal of 70897369 is 96379807.

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 70897369 - 2¹⁵ = 70864601 is a prime.

It is a super-2 number, since 2×70897369² = 10052873862244322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70897349) 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, 17329 + ... + 21025.

It is an arithmetic number, because the mean of its divisors is an integer number (8993536).

Almost surely, 2^70897369 is an apocalyptic number.

It is an amenable number.

70897369 is a deficient number, since it is larger than the sum of its proper divisors (1050919).

70897369 is a wasteful number, since it uses less digits than its factorization.

70897369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3975.

The product of its (nonzero) digits is 571536, while the sum is 49.

The square root of 70897369 is about 8420.0575413711. The cubic root of 70897369 is about 413.8821593555.

The spelling of 70897369 in words is "seventy million, eight hundred ninety-seven thousand, three hundred sixty-nine".