67790481 has 8 divisors (see below), whose sum is σ = 98604384. Its totient is φ = 41085120.

The previous prime is 67790449. The next prime is 67790491. The reversal of 67790481 is 18409776.

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

It is not a de Polignac number, because 67790481 - 2⁵ = 67790449 is a prime.

It is a super-2 number, since 2×67790481² = 9191098628422722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (67790431) 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, 1027096 + ... + 1027161.

It is an arithmetic number, because the mean of its divisors is an integer number (12325548).

Almost surely, 2^67790481 is an apocalyptic number.

It is an amenable number.

67790481 is a deficient number, since it is larger than the sum of its proper divisors (30813903).

67790481 is a wasteful number, since it uses less digits than its factorization.

67790481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2054271.

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 67790481 is about 8233.4974949896. The cubic root of 67790481 is about 407.7458709161.

The spelling of 67790481 in words is "sixty-seven million, seven hundred ninety thousand, four hundred eighty-one".