70133530 has 16 divisors (see below), whose sum is σ = 128310984. Its totient is φ = 27593280.

The previous prime is 70133527. The next prime is 70133533. The reversal of 70133530 is 3533107.

It is an interprime number because it is at equal distance from previous prime (70133527) and next prime (70133533).

It can be written as a sum of positive squares in 4 ways, for example, as 56715961 + 13417569 = 7531^2 + 3663^2 .

It is not an unprimeable number, because it can be changed into a prime (70133533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56877 + ... + 58096.

Almost surely, 2^70133530 is an apocalyptic number.

70133530 is a deficient number, since it is larger than the sum of its proper divisors (58177454).

70133530 is a wasteful number, since it uses less digits than its factorization.

70133530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115041.

The product of its (nonzero) digits is 945, while the sum is 22.

The square root of 70133530 is about 8374.5764071982. The cubic root of 70133530 is about 412.3904183973.

Adding to 70133530 its reverse (3533107), we get a palindrome (73666637).

The spelling of 70133530 in words is "seventy million, one hundred thirty-three thousand, five hundred thirty".