69540146 has 8 divisors (see below), whose sum is σ = 112334124. Its totient is φ = 32095440.

The previous prime is 69540137. The next prime is 69540151. The reversal of 69540146 is 64104596.

It can be written as a sum of positive squares in 2 ways, for example, as 69538921 + 1225 = 8339^2 + 35^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1337285 + ... + 1337336.

Almost surely, 2^69540146 is an apocalyptic number.

69540146 is a deficient number, since it is larger than the sum of its proper divisors (42793978).

69540146 is a wasteful number, since it uses less digits than its factorization.

69540146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2674636.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 69540146 is about 8339.0734497305. The cubic root of 69540146 is about 411.2240753175.

The spelling of 69540146 in words is "sixty-nine million, five hundred forty thousand, one hundred forty-six".