72810097 has 8 divisors (see below), whose sum is σ = 76924800. Its totient is φ = 68802384.

The previous prime is 72810091. The next prime is 72810107. The reversal of 72810097 is 79001827.

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

It is a de Polignac number, because none of the positive numbers 2^k-72810097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72810091) 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, 25347 + ... + 28072.

It is an arithmetic number, because the mean of its divisors is an integer number (9615600).

Almost surely, 2^72810097 is an apocalyptic number.

It is an amenable number.

72810097 is a deficient number, since it is larger than the sum of its proper divisors (4114703).

72810097 is a wasteful number, since it uses less digits than its factorization.

72810097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53495.

The product of its (nonzero) digits is 7056, while the sum is 34.

The square root of 72810097 is about 8532.8832758922. The cubic root of 72810097 is about 417.5711989680.

The spelling of 72810097 in words is "seventy-two million, eight hundred ten thousand, ninety-seven".