70874321 has 8 divisors (see below), whose sum is σ = 81129600. Its totient is φ = 60651648.

The previous prime is 70874263. The next prime is 70874329. The reversal of 70874321 is 12347807.

It is a happy number.

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 70874321 - 2⁶ = 70874257 is a prime.

It is a super-2 number, since 2×70874321² = 10046338754422082, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70874329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3296 + ... + 12353.

It is an arithmetic number, because the mean of its divisors is an integer number (10141200).

Almost surely, 2^70874321 is an apocalyptic number.

It is an amenable number.

70874321 is a deficient number, since it is larger than the sum of its proper divisors (10255279).

70874321 is a wasteful number, since it uses less digits than its factorization.

70874321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16303.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 70874321 is about 8418.6887933929. The cubic root of 70874321 is about 413.8373048942.

The spelling of 70874321 in words is "seventy million, eight hundred seventy-four thousand, three hundred twenty-one".