70132321 has 8 divisors (see below), whose sum is σ = 80783360. Its totient is φ = 59639328.

The previous prime is 70132289. The next prime is 70132333. The reversal of 70132321 is 12323107.

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

It is not a de Polignac number, because 70132321 - 2⁵ = 70132289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70132721) 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, 38556 + ... + 40333.

It is an arithmetic number, because the mean of its divisors is an integer number (10097920).

Almost surely, 2^70132321 is an apocalyptic number.

It is an amenable number.

70132321 is a deficient number, since it is larger than the sum of its proper divisors (10651039).

70132321 is a wasteful number, since it uses less digits than its factorization.

70132321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79023.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 70132321 is about 8374.5042241317. The cubic root of 70132321 is about 412.3880487135.

Adding to 70132321 its reverse (12323107), we get a palindrome (82455428).

The spelling of 70132321 in words is "seventy million, one hundred thirty-two thousand, three hundred twenty-one".