70409700 has 54 divisors (see below), whose sum is σ = 220698114. Its totient is φ = 18775680.

The previous prime is 70409683. The next prime is 70409701. The reversal of 70409700 is 790407.

It can be written as a sum of positive squares in 3 ways, for example, as 553536 + 69856164 = 744^2 + 8358^2 .

It is not an unprimeable number, because it can be changed into a prime (70409701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 38217 + ... + 40016.

Almost surely, 2^70409700 is an apocalyptic number.

It is an amenable number.

70409700 is an abundant number, since it is smaller than the sum of its proper divisors (150288414).

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

70409700 is a wasteful number, since it uses less digits than its factorization.

70409700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78253 (or 78243 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 70409700 is about 8391.0488021462. The cubic root of 70409700 is about 412.9310095486.

The spelling of 70409700 in words is "seventy million, four hundred nine thousand, seven hundred".