70670377321 has 16 divisors (see below), whose sum is σ = 74690564608. Its totient is φ = 66760848000.

The previous prime is 70670377313. The next prime is 70670377331. The reversal of 70670377321 is 12377307607.

It is a cyclic number.

It is not a de Polignac number, because 70670377321 - 2³ = 70670377313 is a prime.

It is a super-2 number, since 2×70670377321² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70670377331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2386015 + ... + 2415451.

It is an arithmetic number, because the mean of its divisors is an integer number (4668160288).

Almost surely, 2^70670377321 is an apocalyptic number.

It is an amenable number.

70670377321 is a deficient number, since it is larger than the sum of its proper divisors (4020187287).

70670377321 is a wasteful number, since it uses less digits than its factorization.

70670377321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31312.

The product of its (nonzero) digits is 259308, while the sum is 43.

The spelling of 70670377321 in words is "seventy billion, six hundred seventy million, three hundred seventy-seven thousand, three hundred twenty-one".