72989342 has 8 divisors (see below), whose sum is σ = 110984016. Its totient is φ = 35994672.

The previous prime is 72989333. The next prime is 72989351. The reversal of 72989342 is 24398927.

It is an interprime number because it is at equal distance from previous prime (72989333) and next prime (72989351).

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

It is a junction number, because it is equal to n+sod(n) for n = 72989293 and 72989302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249818 + ... + 250109.

It is an arithmetic number, because the mean of its divisors is an integer number (13873002).

Almost surely, 2^72989342 is an apocalyptic number.

72989342 is a deficient number, since it is larger than the sum of its proper divisors (37994674).

72989342 is a wasteful number, since it uses less digits than its factorization.

72989342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500002.

The product of its digits is 217728, while the sum is 44.

The square root of 72989342 is about 8543.3800102770. The cubic root of 72989342 is about 417.9135791974.

The spelling of 72989342 in words is "seventy-two million, nine hundred eighty-nine thousand, three hundred forty-two".