72083897 has 8 divisors (see below), whose sum is σ = 74519040. Its totient is φ = 69655680.

The previous prime is 72083887. The next prime is 72083917. The reversal of 72083897 is 79838027.

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 72083897 - 2⁶ = 72083833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72083857) 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, 27548 + ... + 30050.

It is an arithmetic number, because the mean of its divisors is an integer number (9314880).

Almost surely, 2^72083897 is an apocalyptic number.

It is an amenable number.

72083897 is a deficient number, since it is larger than the sum of its proper divisors (2435143).

72083897 is a wasteful number, since it uses less digits than its factorization.

72083897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3463.

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 72083897 is about 8490.2236130740. The cubic root of 72083897 is about 416.1782878080.

The spelling of 72083897 in words is "seventy-two million, eighty-three thousand, eight hundred ninety-seven".