67520983 has 8 divisors (see below), whose sum is σ = 68140800. Its totient is φ = 66904320.

The previous prime is 67520977. The next prime is 67520987. The reversal of 67520983 is 38902576.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 67520983 - 2⁵ = 67520951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67520987) 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, 63843 + ... + 64891.

It is an arithmetic number, because the mean of its divisors is an integer number (8517600).

Almost surely, 2^67520983 is an apocalyptic number.

67520983 is a deficient number, since it is larger than the sum of its proper divisors (619817).

67520983 is a wasteful number, since it uses less digits than its factorization.

67520983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1577.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 67520983 is about 8217.1152480661. The cubic root of 67520983 is about 407.2048282107.

The spelling of 67520983 in words is "sixty-seven million, five hundred twenty thousand, nine hundred eighty-three".