72353077 has 2 divisors, whose sum is σ = 72353078. Its totient is φ = 72353076.

The previous prime is 72353063. The next prime is 72353081. The reversal of 72353077 is 77035327.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71216721 + 1136356 = 8439^2 + 1066^2 .

It is a cyclic number.

It is not a de Polignac number, because 72353077 - 2¹⁵ = 72320309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72353027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36176538 + 36176539.

It is an arithmetic number, because the mean of its divisors is an integer number (36176539).

Almost surely, 2^72353077 is an apocalyptic number.

It is an amenable number.

72353077 is a deficient number, since it is larger than the sum of its proper divisors (1).

72353077 is an equidigital number, since it uses as much as digits as its factorization.

72353077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30870, while the sum is 34.

The square root of 72353077 is about 8506.0611918796. The cubic root of 72353077 is about 416.6956835970.

The spelling of 72353077 in words is "seventy-two million, three hundred fifty-three thousand, seventy-seven".