70335420 has 24 divisors (see below), whose sum is σ = 196939344. Its totient is φ = 18756096.

The previous prime is 70335413. The next prime is 70335439. The reversal of 70335420 is 2453307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 586069 + ... + 586188.

It is an arithmetic number, because the mean of its divisors is an integer number (8205806).

Almost surely, 2^70335420 is an apocalyptic number.

It is an amenable number.

70335420 is an abundant number, since it is smaller than the sum of its proper divisors (126603924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70335420 is a wasteful number, since it uses less digits than its factorization.

70335420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172269 (or 1172267 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 70335420 is about 8386.6214890145. The cubic root of 70335420 is about 412.7857487493.

Adding to 70335420 its reverse (2453307), we get a palindrome (72788727).

The spelling of 70335420 in words is "seventy million, three hundred thirty-five thousand, four hundred twenty".