70200045 has 18 divisors (see below), whose sum is σ = 121777578. Its totient is φ = 37410048.

The previous prime is 70200023. The next prime is 70200047. The reversal of 70200045 is 54000207.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 3663396 + 66536649 = 1914^2 + 8157^2 .

It is not a de Polignac number, because 70200045 - 2¹⁰ = 70199021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70200047) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 55581 + ... + 56829.

It is an arithmetic number, because the mean of its divisors is an integer number (6765421).

Almost surely, 2^70200045 is an apocalyptic number.

It is an amenable number.

70200045 is a deficient number, since it is larger than the sum of its proper divisors (51577533).

70200045 is an equidigital number, since it uses as much as digits as its factorization.

70200045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2509 (or 1257 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 70200045 is about 8378.5467116917. The cubic root of 70200045 is about 412.5207482677.

The spelling of 70200045 in words is "seventy million, two hundred thousand, forty-five".