67269428 has 12 divisors (see below), whose sum is σ = 117900132. Its totient is φ = 33583680.

The previous prime is 67269421. The next prime is 67269451. The reversal of 67269428 is 82496276.

It can be written as a sum of positive squares in 2 ways, for example, as 39790864 + 27478564 = 6308^2 + 5242^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67269421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9713 + ... + 15128.

It is an arithmetic number, because the mean of its divisors is an integer number (9825011).

Almost surely, 2^67269428 is an apocalyptic number.

It is an amenable number.

67269428 is a deficient number, since it is larger than the sum of its proper divisors (50630704).

67269428 is a wasteful number, since it uses less digits than its factorization.

67269428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25522 (or 25520 counting only the distinct ones).

The product of its digits is 290304, while the sum is 44.

The square root of 67269428 is about 8201.7941939554. The cubic root of 67269428 is about 406.6985071668.

The spelling of 67269428 in words is "sixty-seven million, two hundred sixty-nine thousand, four hundred twenty-eight".