72062641 has 4 divisors (see below), whose sum is σ = 82357312. Its totient is φ = 61767972.

The previous prime is 72062633. The next prime is 72062663. The reversal of 72062641 is 14626027.

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 not a de Polignac number, because 72062641 - 2³ = 72062633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72062741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5147325 + ... + 5147338.

It is an arithmetic number, because the mean of its divisors is an integer number (20589328).

Almost surely, 2^72062641 is an apocalyptic number.

It is an amenable number.

72062641 is a deficient number, since it is larger than the sum of its proper divisors (10294671).

72062641 is a wasteful number, since it uses less digits than its factorization.

72062641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10294670.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 72062641 is about 8488.9717280717. The cubic root of 72062641 is about 416.1373764269.

Adding to 72062641 its reverse (14626027), we get a palindrome (86688668).

The spelling of 72062641 in words is "seventy-two million, sixty-two thousand, six hundred forty-one".