69670369 has 8 divisors (see below), whose sum is σ = 73993608. Its totient is φ = 65372160.

The previous prime is 69670351. The next prime is 69670373. The reversal of 69670369 is 96307696.

It can be written as a sum of positive squares in 4 ways, for example, as 5349969 + 64320400 = 2313^2 + 8020^2 .

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 69670369 - 2²¹ = 67573217 is a prime.

It is a super-2 number, since 2×69670369² = 9707920633192322, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69670319) 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, 352 + ... + 11809.

It is an arithmetic number, because the mean of its divisors is an integer number (9249201).

Almost surely, 2^69670369 is an apocalyptic number.

It is an amenable number.

69670369 is a deficient number, since it is larger than the sum of its proper divisors (4323239).

69670369 is a wasteful number, since it uses less digits than its factorization.

69670369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12515.

The product of its (nonzero) digits is 367416, while the sum is 46.

The square root of 69670369 is about 8346.8777995128. The cubic root of 69670369 is about 411.4806055071.

The spelling of 69670369 in words is "sixty-nine million, six hundred seventy thousand, three hundred sixty-nine".