72065379 has 8 divisors (see below), whose sum is σ = 96230592. Its totient is φ = 47971880.

The previous prime is 72065353. The next prime is 72065387. The reversal of 72065379 is 97356027.

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 72065379 - 2¹¹ = 72063331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72065779) 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, 15537 + ... + 19634.

It is an arithmetic number, because the mean of its divisors is an integer number (12028824).

Almost surely, 2^72065379 is an apocalyptic number.

72065379 is a deficient number, since it is larger than the sum of its proper divisors (24165213).

72065379 is a wasteful number, since it uses less digits than its factorization.

72065379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35857.

The product of its (nonzero) digits is 79380, while the sum is 39.

The square root of 72065379 is about 8489.1329945996. The cubic root of 72065379 is about 416.1426467014.

The spelling of 72065379 in words is "seventy-two million, sixty-five thousand, three hundred seventy-nine".