7070421 has 8 divisors (see below), whose sum is σ = 9546880. Its totient is φ = 4653792.

The previous prime is 7070417. The next prime is 7070423. The reversal of 7070421 is 1240707.

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

It is not a de Polignac number, because 7070421 - 2² = 7070417 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 (7070423) 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, 14680 + ... + 15153.

It is an arithmetic number, because the mean of its divisors is an integer number (1193360).

Almost surely, 2^7070421 is an apocalyptic number.

It is an amenable number.

7070421 is a deficient number, since it is larger than the sum of its proper divisors (2476459).

7070421 is a wasteful number, since it uses less digits than its factorization.

7070421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29915.

The product of its (nonzero) digits is 392, while the sum is 21.

The square root of 7070421 is about 2659.0263255560. The cubic root of 7070421 is about 191.9324577965.

The spelling of 7070421 in words is "seven million, seventy thousand, four hundred twenty-one".