70100648 has 16 divisors (see below), whose sum is σ = 131575380. Its totient is φ = 35013888.

The previous prime is 70100647. The next prime is 70100663. The reversal of 70100648 is 84600107.

It can be written as a sum of positive squares in 2 ways, for example, as 60871204 + 9229444 = 7802^2 + 3038^2 .

It is not an unprimeable number, because it can be changed into a prime (70100647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4736 + ... + 12752.

Almost surely, 2^70100648 is an apocalyptic number.

It is an amenable number.

70100648 is a deficient number, since it is larger than the sum of its proper divisors (61474732).

70100648 is a wasteful number, since it uses less digits than its factorization.

70100648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9116 (or 9112 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 70100648 is about 8372.6129732599. The cubic root of 70100648 is about 412.3259587800.

The spelling of 70100648 in words is "seventy million, one hundred thousand, six hundred forty-eight".