72053357 has 2 divisors, whose sum is σ = 72053358. Its totient is φ = 72053356.

The previous prime is 72053353. The next prime is 72053363. The reversal of 72053357 is 75335027.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40119556 + 31933801 = 6334^2 + 5651^2 .

It is a cyclic number.

It is not a de Polignac number, because 72053357 - 2² = 72053353 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72053353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36026678 + 36026679.

It is an arithmetic number, because the mean of its divisors is an integer number (36026679).

Almost surely, 2^72053357 is an apocalyptic number.

It is an amenable number.

72053357 is a deficient number, since it is larger than the sum of its proper divisors (1).

72053357 is an equidigital number, since it uses as much as digits as its factorization.

72053357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22050, while the sum is 32.

The square root of 72053357 is about 8488.4248833338. The cubic root of 72053357 is about 416.1195050062.

The spelling of 72053357 in words is "seventy-two million, fifty-three thousand, three hundred fifty-seven".