72016311 has 8 divisors (see below), whose sum is σ = 96258160. Its totient is φ = 47892672.

The previous prime is 72016291. The next prime is 72016313. The reversal of 72016311 is 11361027.

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

It is not a de Polignac number, because 72016311 - 2⁶ = 72016247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72016313) 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, 28120 + ... + 30573.

It is an arithmetic number, because the mean of its divisors is an integer number (12032270).

Almost surely, 2^72016311 is an apocalyptic number.

72016311 is a deficient number, since it is larger than the sum of its proper divisors (24241849).

72016311 is a wasteful number, since it uses less digits than its factorization.

72016311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59105.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 72016311 is about 8486.2424547028. The cubic root of 72016311 is about 416.0481772821.

Adding to 72016311 its reverse (11361027), we get a palindrome (83377338).

It can be divided in two parts, 72016 and 311, that added together give a palindrome (72327).

The spelling of 72016311 in words is "seventy-two million, sixteen thousand, three hundred eleven".