70473133 has 2 divisors, whose sum is σ = 70473134. Its totient is φ = 70473132.

The previous prime is 70473121. The next prime is 70473157. The reversal of 70473133 is 33137407.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59629284 + 10843849 = 7722^2 + 3293^2 .

It is an emirp because it is prime and its reverse (33137407) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70473133 - 2⁵ = 70473101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70473433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35236566 + 35236567.

It is an arithmetic number, because the mean of its divisors is an integer number (35236567).

Almost surely, 2^70473133 is an apocalyptic number.

It is an amenable number.

70473133 is a deficient number, since it is larger than the sum of its proper divisors (1).

70473133 is an equidigital number, since it uses as much as digits as its factorization.

70473133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292, while the sum is 28.

The square root of 70473133 is about 8394.8277528488. The cubic root of 70473133 is about 413.0549772721.

It can be divided in two parts, 704 and 73133, that added together give a palindrome (73837).

The spelling of 70473133 in words is "seventy million, four hundred seventy-three thousand, one hundred thirty-three".