67234428 has 48 divisors (see below), whose sum is σ = 181896960. Its totient is φ = 21436272.

The previous prime is 67234357. The next prime is 67234429. The reversal of 67234428 is 82443276.

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 = 67234392 and 67234401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67234429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11050 + ... + 16017.

It is an arithmetic number, because the mean of its divisors is an integer number (3789520).

Almost surely, 2^67234428 is an apocalyptic number.

It is an amenable number.

67234428 is an abundant number, since it is smaller than the sum of its proper divisors (114662532).

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

67234428 is a wasteful number, since it uses less digits than its factorization.

67234428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27103 (or 27095 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 67234428 is about 8199.6602368635. The cubic root of 67234428 is about 406.6279604237.

The spelling of 67234428 in words is "sixty-seven million, two hundred thirty-four thousand, four hundred twenty-eight".