72119749 has 8 divisors (see below), whose sum is σ = 77782880. Its totient is φ = 66473136.

The previous prime is 72119731. The next prime is 72119753. The reversal of 72119749 is 94791127.

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

It is a cyclic number.

It is not a de Polignac number, because 72119749 - 2⁵ = 72119717 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 (72119759) 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 7 ways as a sum of consecutive naturals, for example, 5854 + ... + 13360.

It is an arithmetic number, because the mean of its divisors is an integer number (9722860).

Almost surely, 2^72119749 is an apocalyptic number.

It is an amenable number.

72119749 is a deficient number, since it is larger than the sum of its proper divisors (5663131).

72119749 is a wasteful number, since it uses less digits than its factorization.

72119749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8259.

The product of its digits is 31752, while the sum is 40.

The square root of 72119749 is about 8492.3347202050. The cubic root of 72119749 is about 416.2472738626.

The spelling of 72119749 in words is "seventy-two million, one hundred nineteen thousand, seven hundred forty-nine".