69428052 has 36 divisors (see below), whose sum is σ = 184737280. Its totient is φ = 21924432.

The previous prime is 69428011. The next prime is 69428063. The reversal of 69428052 is 25082496.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 69427998 and 69428016.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 50068 + ... + 51435.

Almost surely, 2^69428052 is an apocalyptic number.

It is an amenable number.

69428052 is an abundant number, since it is smaller than the sum of its proper divisors (115309228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69428052 is a wasteful number, since it uses less digits than its factorization.

69428052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101532 (or 101527 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 69428052 is about 8332.3497286180. The cubic root of 69428052 is about 411.0030013811.

The spelling of 69428052 in words is "sixty-nine million, four hundred twenty-eight thousand, fifty-two".