70103700 has 54 divisors (see below), whose sum is σ = 219738974. Its totient is φ = 18694080.

The previous prime is 70103687. The next prime is 70103707. The reversal of 70103700 is 730107.

It can be written as a sum of positive squares in 3 ways, for example, as 12404484 + 57699216 = 3522^2 + 7596^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70103707) 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, 38047 + ... + 39846.

Almost surely, 2^70103700 is an apocalyptic number.

It is an amenable number.

70103700 is an abundant number, since it is smaller than the sum of its proper divisors (149635274).

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

70103700 is a wasteful number, since it uses less digits than its factorization.

70103700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77913 (or 77903 counting only the distinct ones).

The product of its (nonzero) digits is 147, while the sum is 18.

The square root of 70103700 is about 8372.7952321790. The cubic root of 70103700 is about 412.3319425600.

Adding to 70103700 its reverse (730107), we get a palindrome (70833807).

The spelling of 70103700 in words is "seventy million, one hundred three thousand, seven hundred".