70230540 has 48 divisors (see below), whose sum is σ = 201448800. Its totient is φ = 18270720.

The previous prime is 70230529. The next prime is 70230557. The reversal of 70230540 is 4503207.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11815 + ... + 16734.

It is an arithmetic number, because the mean of its divisors is an integer number (4196850).

Almost surely, 2^70230540 is an apocalyptic number.

It is an amenable number.

70230540 is an abundant number, since it is smaller than the sum of its proper divisors (131218260).

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

70230540 is a wasteful number, since it uses less digits than its factorization.

70230540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28602 (or 28600 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 70230540 is about 8380.3663404412. The cubic root of 70230540 is about 412.5804728215.

Adding to 70230540 its reverse (4503207), we get a palindrome (74733747).

The spelling of 70230540 in words is "seventy million, two hundred thirty thousand, five hundred forty".