67022072 has 16 divisors (see below), whose sum is σ = 135333240. Its totient is φ = 30933216.

The previous prime is 67022071. The next prime is 67022077. The reversal of 67022072 is 27022076.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67022071) 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, 322118 + ... + 322325.

Almost surely, 2^67022072 is an apocalyptic number.

It is an amenable number.

67022072 is an abundant number, since it is smaller than the sum of its proper divisors (68311168).

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

67022072 is a wasteful number, since it uses less digits than its factorization.

67022072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644462 (or 644458 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 67022072 is about 8186.7009228382. The cubic root of 67022072 is about 406.1994053915.

The spelling of 67022072 in words is "sixty-seven million, twenty-two thousand, seventy-two".