72062671 has 4 divisors (see below), whose sum is σ = 72494352. Its totient is φ = 71630992.

The previous prime is 72062663. The next prime is 72062689. The reversal of 72062671 is 17626027.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72062671 - 2³ = 72062663 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72065671) 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, 215590 + ... + 215923.

It is an arithmetic number, because the mean of its divisors is an integer number (18123588).

Almost surely, 2^72062671 is an apocalyptic number.

72062671 is a deficient number, since it is larger than the sum of its proper divisors (431681).

72062671 is a wasteful number, since it uses less digits than its factorization.

72062671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431680.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 72062671 is about 8488.9734950699. The cubic root of 72062671 is about 416.1374341735.

Adding to 72062671 its reverse (17626027), we get a palindrome (89688698).

The spelling of 72062671 in words is "seventy-two million, sixty-two thousand, six hundred seventy-one".