70720333 has 2 divisors, whose sum is σ = 70720334. Its totient is φ = 70720332.

The previous prime is 70720303. The next prime is 70720343. The reversal of 70720333 is 33302707.

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., 61496964 + 9223369 = 7842^2 + 3037^2 .

It is a cyclic number.

It is not a de Polignac number, because 70720333 - 2²⁵ = 37165901 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70720298 and 70720307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70720303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35360166 + 35360167.

It is an arithmetic number, because the mean of its divisors is an integer number (35360167).

Almost surely, 2^70720333 is an apocalyptic number.

It is an amenable number.

70720333 is a deficient number, since it is larger than the sum of its proper divisors (1).

70720333 is an equidigital number, since it uses as much as digits as its factorization.

70720333 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2646, while the sum is 25.

The square root of 70720333 is about 8409.5382156216. The cubic root of 70720333 is about 413.5373740397.

The spelling of 70720333 in words is "seventy million, seven hundred twenty thousand, three hundred thirty-three".