69291993 has 8 divisors (see below), whose sum is σ = 97252000. Its totient is φ = 43763328.

The previous prime is 69291973. The next prime is 69292007. The reversal of 69291993 is 39919296.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 69291993 - 2¹³ = 69283801 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (69291923) 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 7 ways as a sum of consecutive naturals, for example, 607768 + ... + 607881.

It is an arithmetic number, because the mean of its divisors is an integer number (12156500).

Almost surely, 2^69291993 is an apocalyptic number.

It is an amenable number.

69291993 is a deficient number, since it is larger than the sum of its proper divisors (27960007).

69291993 is a wasteful number, since it uses less digits than its factorization.

69291993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215671.

The product of its digits is 236196, while the sum is 48.

The square root of 69291993 is about 8324.1812209971. The cubic root of 69291993 is about 410.7343432761.

The spelling of 69291993 in words is "sixty-nine million, two hundred ninety-one thousand, nine hundred ninety-three".