69540147 has 16 divisors (see below), whose sum is σ = 103972000. Its totient is φ = 45932832.

The previous prime is 69540137. The next prime is 69540151. The reversal of 69540147 is 74104596.

It is not a de Polignac number, because 69540147 - 2⁶ = 69540083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69540127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8872 + ... + 14757.

It is an arithmetic number, because the mean of its divisors is an integer number (6498250).

Almost surely, 2^69540147 is an apocalyptic number.

69540147 is a deficient number, since it is larger than the sum of its proper divisors (34431853).

69540147 is a wasteful number, since it uses less digits than its factorization.

69540147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23747 (or 23741 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 69540147 is about 8339.0735096892. The cubic root of 69540147 is about 411.2240772887.

The spelling of 69540147 in words is "sixty-nine million, five hundred forty thousand, one hundred forty-seven".