72575951 has 8 divisors (see below), whose sum is σ = 85804320. Its totient is φ = 60062688.

The previous prime is 72575927. The next prime is 72575977. The reversal of 72575951 is 15957527.

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

It is not a de Polignac number, because 72575951 - 2¹⁴ = 72559567 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72575899 and 72575908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72571951) 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, 178556 + ... + 178961.

It is an arithmetic number, because the mean of its divisors is an integer number (10725540).

Almost surely, 2^72575951 is an apocalyptic number.

72575951 is a deficient number, since it is larger than the sum of its proper divisors (13228369).

72575951 is a wasteful number, since it uses less digits than its factorization.

72575951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357553.

The product of its digits is 110250, while the sum is 41.

The square root of 72575951 is about 8519.1520117908. The cubic root of 72575951 is about 417.1231035122.

The spelling of 72575951 in words is "seventy-two million, five hundred seventy-five thousand, nine hundred fifty-one".