70451700 has 144 divisors (see below), whose sum is σ = 228777024. Its totient is φ = 16588800.

The previous prime is 70451699. The next prime is 70451707. The reversal of 70451700 is 715407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70451707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 121812 + ... + 122388.

Almost surely, 2^70451700 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70451700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114388512).

70451700 is an abundant number, since it is smaller than the sum of its proper divisors (158325324).

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

70451700 is a wasteful number, since it uses less digits than its factorization.

70451700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642 (or 635 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 24.

The square root of 70451700 is about 8393.5510959307. The cubic root of 70451700 is about 413.0130988777.

The spelling of 70451700 in words is "seventy million, four hundred fifty-one thousand, seven hundred".