67229240 has 32 divisors (see below), whose sum is σ = 162902880. Its totient is φ = 24822912.

The previous prime is 67229231. The next prime is 67229243. The reversal of 67229240 is 4292276.

It is a junction number, because it is equal to n+sod(n) for n = 67229197 and 67229206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67229243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64124 + ... + 65163.

It is an arithmetic number, because the mean of its divisors is an integer number (5090715).

Almost surely, 2^67229240 is an apocalyptic number.

It is an amenable number.

67229240 is an abundant number, since it is smaller than the sum of its proper divisors (95673640).

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

67229240 is a wasteful number, since it uses less digits than its factorization.

67229240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129311 (or 129307 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 67229240 is about 8199.3438761891. The cubic root of 67229240 is about 406.6175012974.

The spelling of 67229240 in words is "sixty-seven million, two hundred twenty-nine thousand, two hundred forty".