72380419 has 2 divisors, whose sum is σ = 72380420. Its totient is φ = 72380418.

The previous prime is 72380411. The next prime is 72380437. The reversal of 72380419 is 91408327.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72380419 - 2³ = 72380411 is a prime.

It is a super-2 number, since 2×72380419² = 10477850109231122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (72380411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36190209 + 36190210.

It is an arithmetic number, because the mean of its divisors is an integer number (36190210).

Almost surely, 2^72380419 is an apocalyptic number.

72380419 is a deficient number, since it is larger than the sum of its proper divisors (1).

72380419 is an equidigital number, since it uses as much as digits as its factorization.

72380419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 72380419 is about 8507.6682469405. The cubic root of 72380419 is about 416.7481663155.

The spelling of 72380419 in words is "seventy-two million, three hundred eighty thousand, four hundred nineteen".