70133021 has 8 divisors (see below), whose sum is σ = 80212800. Its totient is φ = 60068448.

The previous prime is 70133017. The next prime is 70133023. The reversal of 70133021 is 12033107.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70133021 - 2² = 70133017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70133023) 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, 8945 + ... + 14841.

It is an arithmetic number, because the mean of its divisors is an integer number (10026600).

Almost surely, 2^70133021 is an apocalyptic number.

It is an amenable number.

70133021 is a deficient number, since it is larger than the sum of its proper divisors (10079779).

70133021 is a wasteful number, since it uses less digits than its factorization.

70133021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7603.

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 70133021 is about 8374.5460175463. The cubic root of 70133021 is about 412.3894207422.

Adding to 70133021 its reverse (12033107), we get a palindrome (82166128).

The spelling of 70133021 in words is "seventy million, one hundred thirty-three thousand, twenty-one".