72356701 has 2 divisors, whose sum is σ = 72356702. Its totient is φ = 72356700.

The previous prime is 72356639. The next prime is 72356749. The reversal of 72356701 is 10765327.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49364676 + 22992025 = 7026^2 + 4795^2 .

It is a cyclic number.

It is not a de Polignac number, because 72356701 - 2¹³ = 72348509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72356761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36178350 + 36178351.

It is an arithmetic number, because the mean of its divisors is an integer number (36178351).

Almost surely, 2^72356701 is an apocalyptic number.

It is an amenable number.

72356701 is a deficient number, since it is larger than the sum of its proper divisors (1).

72356701 is an equidigital number, since it uses as much as digits as its factorization.

72356701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 72356701 is about 8506.2742137789. The cubic root of 72356701 is about 416.7026405918.

The spelling of 72356701 in words is "seventy-two million, three hundred fifty-six thousand, seven hundred one".