72119473 has 4 divisors (see below), whose sum is σ = 72145780. Its totient is φ = 72093168.

The previous prime is 72119461. The next prime is 72119477. The reversal of 72119473 is 37491127.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37491127 = 23 ⋅1630049.

It can be written as a sum of positive squares in 2 ways, for example, as 5419584 + 66699889 = 2328^2 + 8167^2 .

It is a cyclic number.

It is not a de Polignac number, because 72119473 - 2⁵ = 72119441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72119477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8490 + ... + 14707.

It is an arithmetic number, because the mean of its divisors is an integer number (18036445).

Almost surely, 2^72119473 is an apocalyptic number.

It is an amenable number.

72119473 is a deficient number, since it is larger than the sum of its proper divisors (26307).

72119473 is a wasteful number, since it uses less digits than its factorization.

72119473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26306.

The product of its digits is 10584, while the sum is 34.

The square root of 72119473 is about 8492.3184702412. The cubic root of 72119473 is about 416.2467428736.

The spelling of 72119473 in words is "seventy-two million, one hundred nineteen thousand, four hundred seventy-three".