70561300 has 18 divisors (see below), whose sum is σ = 153118238. Its totient is φ = 28224480.

The previous prime is 70561297. The next prime is 70561303. The reversal of 70561300 is 316507.

70561300 = 1668² + 1669² + ... + 1692².

It is an interprime number because it is at equal distance from previous prime (70561297) and next prime (70561303).

It can be written as a sum of positive squares in 3 ways, for example, as 12588304 + 57972996 = 3548^2 + 7614^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70561303) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 352707 + ... + 352906.

Almost surely, 2^70561300 is an apocalyptic number.

It is an amenable number.

70561300 is an abundant number, since it is smaller than the sum of its proper divisors (82556938).

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

70561300 is a wasteful number, since it uses less digits than its factorization.

70561300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705627 (or 705620 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 70561300 is about 8400.0773805960. The cubic root of 70561300 is about 413.2271593982.

Adding to 70561300 its reverse (316507), we get a palindrome (70877807).

The spelling of 70561300 in words is "seventy million, five hundred sixty-one thousand, three hundred".