70025730 has 32 divisors (see below), whose sum is σ = 168441984. Its totient is φ = 18631296.

The previous prime is 70025717. The next prime is 70025741. The reversal of 70025730 is 3752007.

It is a self number, because there is not a number n which added to its sum of digits gives 70025730.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12214 + ... + 17006.

It is an arithmetic number, because the mean of its divisors is an integer number (5263812).

Almost surely, 2^70025730 is an apocalyptic number.

70025730 is an abundant number, since it is smaller than the sum of its proper divisors (98416254).

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

70025730 is a wasteful number, since it uses less digits than its factorization.

70025730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5290.

The product of its (nonzero) digits is 1470, while the sum is 24.

The square root of 70025730 is about 8368.1377856725. The cubic root of 70025730 is about 412.1790193527.

Adding to 70025730 its reverse (3752007), we get a palindrome (73777737).

The spelling of 70025730 in words is "seventy million, twenty-five thousand, seven hundred thirty".