72750097 has 16 divisors (see below), whose sum is σ = 84515200. Its totient is φ = 61337088.

The previous prime is 72750071. The next prime is 72750101. The reversal of 72750097 is 79005727.

It is a cyclic number.

It is not a de Polignac number, because 72750097 - 2⁷ = 72749969 is a prime.

It is a super-2 number, since 2×72750097² = 10585153227018818, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72750697) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208279 + ... + 208627.

It is an arithmetic number, because the mean of its divisors is an integer number (5282200).

Almost surely, 2^72750097 is an apocalyptic number.

It is an amenable number.

72750097 is a deficient number, since it is larger than the sum of its proper divisors (11765103).

72750097 is a wasteful number, since it uses less digits than its factorization.

72750097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760.

The product of its (nonzero) digits is 30870, while the sum is 37.

The square root of 72750097 is about 8529.3667408548. The cubic root of 72750097 is about 417.4564659927.

The spelling of 72750097 in words is "seventy-two million, seven hundred fifty thousand, ninety-seven".