72671061 has 8 divisors (see below), whose sum is σ = 97512544. Its totient is φ = 48138480.

The previous prime is 72671033. The next prime is 72671101. The reversal of 72671061 is 16017627.

It is a happy number.

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

It is not a de Polignac number, because 72671061 - 2⁷ = 72670933 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 (72671461) 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, 76675 + ... + 77616.

It is an arithmetic number, because the mean of its divisors is an integer number (12189068).

Almost surely, 2^72671061 is an apocalyptic number.

It is an amenable number.

72671061 is a deficient number, since it is larger than the sum of its proper divisors (24841483).

72671061 is a wasteful number, since it uses less digits than its factorization.

72671061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154451.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 72671061 is about 8524.7323125128. The cubic root of 72671061 is about 417.3052357487.

Adding to 72671061 its reverse (16017627), we get a palindrome (88688688).

The spelling of 72671061 in words is "seventy-two million, six hundred seventy-one thousand, sixty-one".