69342987 has 12 divisors (see below), whose sum is σ = 107552616. Its totient is φ = 39624480.

The previous prime is 69342947. The next prime is 69343009. The reversal of 69342987 is 78924396.

It is not a de Polignac number, because 69342987 - 2⁷ = 69342859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (69342937) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 235714 + ... + 236007.

It is an arithmetic number, because the mean of its divisors is an integer number (8962718).

Almost surely, 2^69342987 is an apocalyptic number.

69342987 is a deficient number, since it is larger than the sum of its proper divisors (38209629).

69342987 is a wasteful number, since it uses less digits than its factorization.

69342987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471738 (or 471731 counting only the distinct ones).

The product of its digits is 653184, while the sum is 48.

The square root of 69342987 is about 8327.2436616206. The cubic root of 69342987 is about 410.8350756998.

The spelling of 69342987 in words is "sixty-nine million, three hundred forty-two thousand, nine hundred eighty-seven".