72350101 has 2 divisors, whose sum is σ = 72350102. Its totient is φ = 72350100.

The previous prime is 72350077. The next prime is 72350129. The reversal of 72350101 is 10105327.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41280625 + 31069476 = 6425^2 + 5574^2 .

It is a cyclic number.

It is not a de Polignac number, because 72350101 - 2¹³ = 72341909 is a prime.

It is a super-2 number, since 2×72350101² = 10469074229420402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72350191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36175050 + 36175051.

It is an arithmetic number, because the mean of its divisors is an integer number (36175051).

Almost surely, 2^72350101 is an apocalyptic number.

It is an amenable number.

72350101 is a deficient number, since it is larger than the sum of its proper divisors (1).

72350101 is an equidigital number, since it uses as much as digits as its factorization.

72350101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 72350101 is about 8505.8862559994. The cubic root of 72350101 is about 416.6899703944.

Adding to 72350101 its reverse (10105327), we get a palindrome (82455428).

The spelling of 72350101 in words is "seventy-two million, three hundred fifty thousand, one hundred one".