67620663 has 40 divisors (see below), whose sum is σ = 114040080. Its totient is φ = 39553920.

The previous prime is 67620659. The next prime is 67620671. The reversal of 67620663 is 36602676.

It is not a de Polignac number, because 67620663 - 2² = 67620659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67620653) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 24531 + ... + 27147.

It is an arithmetic number, because the mean of its divisors is an integer number (2851002).

Almost surely, 2^67620663 is an apocalyptic number.

67620663 is a deficient number, since it is larger than the sum of its proper divisors (46419417).

67620663 is a wasteful number, since it uses less digits than its factorization.

67620663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2669 (or 2660 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 67620663 is about 8223.1784001078. The cubic root of 67620663 is about 407.4051127132.

The spelling of 67620663 in words is "sixty-seven million, six hundred twenty thousand, six hundred sixty-three".