69770993 has 4 divisors (see below), whose sum is σ = 70303728. Its totient is φ = 69238260.

The previous prime is 69770989. The next prime is 69771017. The reversal of 69770993 is 39907796.

It is a happy number.

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 69770993 - 2² = 69770989 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69770923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266171 + ... + 266432.

It is an arithmetic number, because the mean of its divisors is an integer number (17575932).

Almost surely, 2^69770993 is an apocalyptic number.

It is an amenable number.

69770993 is a deficient number, since it is larger than the sum of its proper divisors (532735).

69770993 is a wasteful number, since it uses less digits than its factorization.

69770993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532734.

The product of its (nonzero) digits is 642978, while the sum is 50.

The square root of 69770993 is about 8352.9032677267. The cubic root of 69770993 is about 411.6786088934.

The spelling of 69770993 in words is "sixty-nine million, seven hundred seventy thousand, nine hundred ninety-three".