67377713 has 8 divisors (see below), whose sum is σ = 72679656. Its totient is φ = 62092800.

The previous prime is 67377697. The next prime is 67377721. The reversal of 67377713 is 31777376.

It can be written as a sum of positive squares in 4 ways, for example, as 5094049 + 62283664 = 2257^2 + 7892^2 .

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 67377713 - 2⁴ = 67377697 is a prime.

It is a super-2 number, since 2×67377713² = 9079512418220738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67377113) 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, 4673 + ... + 12513.

It is an arithmetic number, because the mean of its divisors is an integer number (9084957).

Almost surely, 2^67377713 is an apocalyptic number.

It is an amenable number.

67377713 is a deficient number, since it is larger than the sum of its proper divisors (5301943).

67377713 is a wasteful number, since it uses less digits than its factorization.

67377713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8515.

The product of its digits is 129654, while the sum is 41.

The square root of 67377713 is about 8208.3928390398. The cubic root of 67377713 is about 406.9166138656.

The spelling of 67377713 in words is "sixty-seven million, three hundred seventy-seven thousand, seven hundred thirteen".