72671209023 has 8 divisors (see below), whose sum is σ = 110737080448. Its totient is φ = 41526405144.

The previous prime is 72671209007. The next prime is 72671209067. The reversal of 72671209023 is 32090217627.

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

It is not a de Polignac number, because 72671209023 - 2⁴ = 72671209007 is a prime.

It is a super-2 number, since 2×72671209023² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72671249023) 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, 1730266861 + ... + 1730266902.

It is an arithmetic number, because the mean of its divisors is an integer number (13842135056).

Almost surely, 2^72671209023 is an apocalyptic number.

72671209023 is a deficient number, since it is larger than the sum of its proper divisors (38065871425).

72671209023 is a wasteful number, since it uses less digits than its factorization.

72671209023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3460533773.

The product of its (nonzero) digits is 63504, while the sum is 39.

The spelling of 72671209023 in words is "seventy-two billion, six hundred seventy-one million, two hundred nine thousand, twenty-three".