72980016 has 20 divisors (see below), whose sum is σ = 188531832. Its totient is φ = 24326656.

The previous prime is 72980009. The next prime is 72980023. The reversal of 72980016 is 61008927.

It is an interprime number because it is at equal distance from previous prime (72980009) and next prime (72980023).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 760161 + ... + 760256.

Almost surely, 2^72980016 is an apocalyptic number.

It is an amenable number.

72980016 is an abundant number, since it is smaller than the sum of its proper divisors (115551816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72980016 is a wasteful number, since it uses less digits than its factorization.

72980016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520428 (or 1520422 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 72980016 is about 8542.8341901268. The cubic root of 72980016 is about 417.8957792103.

The spelling of 72980016 in words is "seventy-two million, nine hundred eighty thousand, sixteen".