70045380 has 36 divisors (see below), whose sum is σ = 212471532. Its totient is φ = 18678720.

The previous prime is 70045379. The next prime is 70045433. The reversal of 70045380 is 8354007.

It can be written as a sum of positive squares in 2 ways, for example, as 19236996 + 50808384 = 4386^2 + 7128^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 194391 + ... + 194750.

It is an arithmetic number, because the mean of its divisors is an integer number (5901987).

Almost surely, 2^70045380 is an apocalyptic number.

It is an amenable number.

70045380 is an abundant number, since it is smaller than the sum of its proper divisors (142426152).

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

70045380 is a wasteful number, since it uses less digits than its factorization.

70045380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389156 (or 389151 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 70045380 is about 8369.3117996643. The cubic root of 70045380 is about 412.2175697554.

Adding to 70045380 its reverse (8354007), we get a palindrome (78399387).

The spelling of 70045380 in words is "seventy million, forty-five thousand, three hundred eighty".