69241664 has 14 divisors (see below), whose sum is σ = 137401554. Its totient is φ = 34620800.

The previous prime is 69241657. The next prime is 69241673. The reversal of 69241664 is 46614296.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 60715264 + 8526400 = 7792^2 + 2920^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540887 + ... + 541014.

Almost surely, 2^69241664 is an apocalyptic number.

69241664 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

69241664 is a deficient number, since it is larger than the sum of its proper divisors (68159890).

69241664 is a wasteful number, since it uses less digits than its factorization.

69241664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081913 (or 1081903 counting only the distinct ones).

The product of its digits is 62208, while the sum is 38.

The square root of 69241664 is about 8321.1576117749. The cubic root of 69241664 is about 410.6348760084.

The spelling of 69241664 in words is "sixty-nine million, two hundred forty-one thousand, six hundred sixty-four".