72000037761 has 8 divisors (see below), whose sum is σ = 96950546304. Its totient is φ = 47524777200.

The previous prime is 72000037723. The next prime is 72000037771. The reversal of 72000037761 is 16773000027.

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

It is not a de Polignac number, because 72000037761 - 2¹¹ = 72000035713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72000037771) 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, 118811641 + ... + 118812246.

It is an arithmetic number, because the mean of its divisors is an integer number (12118818288).

Almost surely, 2^72000037761 is an apocalyptic number.

It is an amenable number.

72000037761 is a deficient number, since it is larger than the sum of its proper divisors (24950508543).

72000037761 is a wasteful number, since it uses less digits than its factorization.

72000037761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237623991.

The product of its (nonzero) digits is 12348, while the sum is 33.

Adding to 72000037761 its reverse (16773000027), we get a palindrome (88773037788).

The spelling of 72000037761 in words is "seventy-two billion, thirty-seven thousand, seven hundred sixty-one".