67226390 has 48 divisors (see below), whose sum is σ = 152028576. Its totient is φ = 20951040.

The previous prime is 67226371. The next prime is 67226407. The reversal of 67226390 is 9362276.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 67226390.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4502 + ... + 12438.

It is an arithmetic number, because the mean of its divisors is an integer number (3167262).

Almost surely, 2^67226390 is an apocalyptic number.

67226390 is an abundant number, since it is smaller than the sum of its proper divisors (84802186).

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

67226390 is a wasteful number, since it uses less digits than its factorization.

67226390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7973 (or 7962 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 67226390 is about 8199.1700799532. The cubic root of 67226390 is about 406.6117554034.

The spelling of 67226390 in words is "sixty-seven million, two hundred twenty-six thousand, three hundred ninety".