69426900 has 54 divisors (see below), whose sum is σ = 217617582. Its totient is φ = 18513600.

The previous prime is 69426823. The next prime is 69426901. The reversal of 69426900 is 962496.

It can be written as a sum of positive squares in 3 ways, for example, as 2547216 + 66879684 = 1596^2 + 8178^2 .

It is a super-2 number, since 2×69426900² = 9640188887220000, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69426901) 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 17 ways as a sum of consecutive naturals, for example, 37671 + ... + 39470.

Almost surely, 2^69426900 is an apocalyptic number.

69426900 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

69426900 is an abundant number, since it is smaller than the sum of its proper divisors (148190682).

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

69426900 is a wasteful number, since it uses less digits than its factorization.

69426900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77161 (or 77151 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 69426900 is about 8332.2806001718. The cubic root of 69426900 is about 411.0007281497. Note that the first 3 decimals are identical.

The spelling of 69426900 in words is "sixty-nine million, four hundred twenty-six thousand, nine hundred".