67630340 has 48 divisors (see below), whose sum is σ = 145805184. Its totient is φ = 26342400.

The previous prime is 67630331. The next prime is 67630351. The reversal of 67630340 is 4303676.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137495 + ... + 137985.

It is an arithmetic number, because the mean of its divisors is an integer number (3037608).

Almost surely, 2^67630340 is an apocalyptic number.

It is an amenable number.

67630340 is an abundant number, since it is smaller than the sum of its proper divisors (78174844).

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

67630340 is a wasteful number, since it uses less digits than its factorization.

67630340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668 (or 666 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 29.

The square root of 67630340 is about 8223.7667768487. The cubic root of 67630340 is about 407.4245459804.

The spelling of 67630340 in words is "sixty-seven million, six hundred thirty thousand, three hundred forty".