72301007 has 2 divisors, whose sum is σ = 72301008. Its totient is φ = 72301006.

The previous prime is 72301001. The next prime is 72301093. The reversal of 72301007 is 70010327.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72301007 - 2⁸ = 72300751 is a prime.

It is a super-2 number, since 2×72301007² = 10454871226428098, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 72301007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72301001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36150503 + 36150504.

It is an arithmetic number, because the mean of its divisors is an integer number (36150504).

Almost surely, 2^72301007 is an apocalyptic number.

72301007 is a deficient number, since it is larger than the sum of its proper divisors (1).

72301007 is an equidigital number, since it uses as much as digits as its factorization.

72301007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 294, while the sum is 20.

The square root of 72301007 is about 8502.9998823944. Note that the first 3 decimals coincide. The cubic root of 72301007 is about 416.5956991311.

The spelling of 72301007 in words is "seventy-two million, three hundred one thousand, seven".