67901813 has 8 divisors (see below), whose sum is σ = 78289728. Its totient is φ = 57685824.

The previous prime is 67901809. The next prime is 67901849. The reversal of 67901813 is 31810976.

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

It is not a de Polignac number, because 67901813 - 2² = 67901809 is a prime.

It is a super-2 number, since 2×67901813² = 9221312417373938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67901413) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 42131 + ... + 43712.

It is an arithmetic number, because the mean of its divisors is an integer number (9786216).

Almost surely, 2^67901813 is an apocalyptic number.

It is an amenable number.

67901813 is a deficient number, since it is larger than the sum of its proper divisors (10387915).

67901813 is a wasteful number, since it uses less digits than its factorization.

67901813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85963.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 67901813 is about 8240.2556392384. The cubic root of 67901813 is about 407.9689618994.

The spelling of 67901813 in words is "sixty-seven million, nine hundred one thousand, eight hundred thirteen".