72050371 has 2 divisors, whose sum is σ = 72050372. Its totient is φ = 72050370.

The previous prime is 72050347. The next prime is 72050411. The reversal of 72050371 is 17305027.

It is a weak prime.

It is an emirp because it is prime and its reverse (17305027) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72050371 is a prime.

It is a super-2 number, since 2×72050371² = 10382511922475282, which contains 22 as substring.

It is equal to p_4231465 and since 72050371 and 4231465 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (72050311) 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 as a sum of consecutive naturals, namely, 36025185 + 36025186.

It is an arithmetic number, because the mean of its divisors is an integer number (36025186).

Almost surely, 2^72050371 is an apocalyptic number.

72050371 is a deficient number, since it is larger than the sum of its proper divisors (1).

72050371 is an equidigital number, since it uses as much as digits as its factorization.

72050371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 72050371 is about 8488.2489949341. The cubic root of 72050371 is about 416.1137567197.

Adding to 72050371 its reverse (17305027), we get a palindrome (89355398).

The spelling of 72050371 in words is "seventy-two million, fifty thousand, three hundred seventy-one".