67036989 has 8 divisors (see below), whose sum is σ = 89851392. Its totient is φ = 44456960.

The previous prime is 67036979. The next prime is 67037017. The reversal of 67036989 is 98963076.

It is a happy number.

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 67036989 - 2⁷ = 67036861 is a prime.

It is a super-2 number, since 2×67036989² = 8987915788372242, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67036909) 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, 57924 + ... + 59069.

It is an arithmetic number, because the mean of its divisors is an integer number (11231424).

Almost surely, 2^67036989 is an apocalyptic number.

It is an amenable number.

67036989 is a deficient number, since it is larger than the sum of its proper divisors (22814403).

67036989 is a wasteful number, since it uses less digits than its factorization.

67036989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117187.

The product of its (nonzero) digits is 489888, while the sum is 48.

The square root of 67036989 is about 8187.6119228991. The cubic root of 67036989 is about 406.2295388827.

The spelling of 67036989 in words is "sixty-seven million, thirty-six thousand, nine hundred eighty-nine".