69670049 has 4 divisors (see below), whose sum is σ = 69739440. Its totient is φ = 69600660.

The previous prime is 69670043. The next prime is 69670057. The reversal of 69670049 is 94007696.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 69670049 - 2⁴ = 69670033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 69669988 and 69670015.

It is not an unprimeable number, because it can be changed into a prime (69670043) 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, 33167 + ... + 35204.

It is an arithmetic number, because the mean of its divisors is an integer number (17434860).

Almost surely, 2^69670049 is an apocalyptic number.

It is an amenable number.

69670049 is a deficient number, since it is larger than the sum of its proper divisors (69391).

69670049 is a wasteful number, since it uses less digits than its factorization.

69670049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69390.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 69670049 is about 8346.8586306466. The cubic root of 69670049 is about 411.4799755215.

The spelling of 69670049 in words is "sixty-nine million, six hundred seventy thousand, forty-nine".