72619049 has 8 divisors (see below), whose sum is σ = 74726088. Its totient is φ = 70519680.

The previous prime is 72619039. The next prime is 72619061. The reversal of 72619049 is 94091627.

It can be written as a sum of positive squares in 4 ways, for example, as 250000 + 72369049 = 500^2 + 8507^2 .

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 72619049 - 2⁴ = 72619033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72619009) 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, 21239 + ... + 24419.

It is an arithmetic number, because the mean of its divisors is an integer number (9340761).

Almost surely, 2^72619049 is an apocalyptic number.

It is an amenable number.

72619049 is a deficient number, since it is larger than the sum of its proper divisors (2107039).

72619049 is a wasteful number, since it uses less digits than its factorization.

72619049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3835.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 72619049 is about 8521.6811134893. The cubic root of 72619049 is about 417.2056543386.

The spelling of 72619049 in words is "seventy-two million, six hundred nineteen thousand, forty-nine".