70622633 has 2 divisors, whose sum is σ = 70622634. Its totient is φ = 70622632.

The previous prime is 70622599. The next prime is 70622647. The reversal of 70622633 is 33622607.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69438889 + 1183744 = 8333^2 + 1088^2 .

It is an emirp because it is prime and its reverse (33622607) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70622633 - 2¹⁸ = 70360489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70622596 and 70622605.

It is not a weakly prime, because it can be changed into another prime (70622663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35311316 + 35311317.

It is an arithmetic number, because the mean of its divisors is an integer number (35311317).

Almost surely, 2^70622633 is an apocalyptic number.

It is an amenable number.

70622633 is a deficient number, since it is larger than the sum of its proper divisors (1).

70622633 is an equidigital number, since it uses as much as digits as its factorization.

70622633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 29.

The square root of 70622633 is about 8403.7273277993. The cubic root of 70622633 is about 413.3468525900.

The spelling of 70622633 in words is "seventy million, six hundred twenty-two thousand, six hundred thirty-three".