67416331 has 4 divisors (see below), whose sum is σ = 69238432. Its totient is φ = 65594232.

The previous prime is 67416319. The next prime is 67416347. The reversal of 67416331 is 13361476.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 67416331 - 2¹³ = 67408139 is a prime.

It is a super-2 number, since 2×67416331² = 9089923371003122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 67416293 and 67416302.

It is not an unprimeable number, because it can be changed into a prime (67416301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 910995 + ... + 911068.

It is an arithmetic number, because the mean of its divisors is an integer number (17309608).

Almost surely, 2^67416331 is an apocalyptic number.

67416331 is a deficient number, since it is larger than the sum of its proper divisors (1822101).

67416331 is a wasteful number, since it uses less digits than its factorization.

67416331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1822100.

The product of its digits is 9072, while the sum is 31.

The square root of 67416331 is about 8210.7448504993. The cubic root of 67416331 is about 406.9943413702.

The spelling of 67416331 in words is "sixty-seven million, four hundred sixteen thousand, three hundred thirty-one".