69049764 has 36 divisors (see below), whose sum is σ = 199477824. Its totient is φ = 19728432.

The previous prime is 69049763. The next prime is 69049769. The reversal of 69049764 is 46794096.

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

It is not an unprimeable number, because it can be changed into a prime (69049763) 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 11 ways as a sum of consecutive naturals, for example, 136752 + ... + 137255.

Almost surely, 2^69049764 is an apocalyptic number.

It is an amenable number.

69049764 is an abundant number, since it is smaller than the sum of its proper divisors (130428060).

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

69049764 is a wasteful number, since it uses less digits than its factorization.

69049764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274024 (or 274019 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 69049764 is about 8309.6187638182. The cubic root of 69049764 is about 410.2551732974.

It can be divided in two parts, 690497 and 64, that added together give a square (690561 = 831²).

The spelling of 69049764 in words is "sixty-nine million, forty-nine thousand, seven hundred sixty-four".