70533420 has 48 divisors (see below), whose sum is σ = 197998080. Its totient is φ = 18760896.

The previous prime is 70533409. The next prime is 70533427. The reversal of 70533420 is 2433507.

It is not an unprimeable number, because it can be changed into a prime (70533427) 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, 26511 + ... + 29049.

It is an arithmetic number, because the mean of its divisors is an integer number (4124960).

Almost surely, 2^70533420 is an apocalyptic number.

It is an amenable number.

70533420 is an abundant number, since it is smaller than the sum of its proper divisors (127464660).

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

70533420 is a wasteful number, since it uses less digits than its factorization.

70533420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3014 (or 3012 counting only the distinct ones).

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

The square root of 70533420 is about 8398.4177081162. The cubic root of 70533420 is about 413.1727278099.

Adding to 70533420 its reverse (2433507), we get a palindrome (72966927).

The spelling of 70533420 in words is "seventy million, five hundred thirty-three thousand, four hundred twenty".