72086901 has 4 divisors (see below), whose sum is σ = 96115872. Its totient is φ = 48057932.

The previous prime is 72086891. The next prime is 72086909. The reversal of 72086901 is 10968027.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 72086901 - 2⁹ = 72086389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72086909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12014481 + ... + 12014486.

It is an arithmetic number, because the mean of its divisors is an integer number (24028968).

Almost surely, 2^72086901 is an apocalyptic number.

It is an amenable number.

72086901 is a deficient number, since it is larger than the sum of its proper divisors (24028971).

72086901 is a wasteful number, since it uses less digits than its factorization.

72086901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24028970.

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

The square root of 72086901 is about 8490.4005205879. The cubic root of 72086901 is about 416.1840689523.

The spelling of 72086901 in words is "seventy-two million, eighty-six thousand, nine hundred one".