72002053 has 2 divisors, whose sum is σ = 72002054. Its totient is φ = 72002052.

The previous prime is 72002011. The next prime is 72002087. The reversal of 72002053 is 35020027.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45603009 + 26399044 = 6753^2 + 5138^2 .

It is a cyclic number.

It is not a de Polignac number, because 72002053 - 2⁹ = 72001541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72002053.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72002003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36001026 + 36001027.

It is an arithmetic number, because the mean of its divisors is an integer number (36001027).

Almost surely, 2^72002053 is an apocalyptic number.

It is an amenable number.

72002053 is a deficient number, since it is larger than the sum of its proper divisors (1).

72002053 is an equidigital number, since it uses as much as digits as its factorization.

72002053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 72002053 is about 8485.4023475614. The cubic root of 72002053 is about 416.0207186581.

The spelling of 72002053 in words is "seventy-two million, two thousand, fifty-three".