196787070 has 160 divisors (see below), whose sum is σ = 579591936. Its totient is φ = 47692800.

The previous prime is 196787029. The next prime is 196787077. The reversal of 196787070 is 70787691.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196787077) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 426640 + ... + 427100.

Almost surely, 2^196787070 is an apocalyptic number.

196787070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 196787070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289795968).

196787070 is an abundant number, since it is smaller than the sum of its proper divisors (382804866).

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

196787070 is a wasteful number, since it uses less digits than its factorization.

196787070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528 (or 519 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 45.

The square root of 196787070 is about 14028.0814796607. The cubic root of 196787070 is about 581.6550724786.

The spelling of 196787070 in words is "one hundred ninety-six million, seven hundred eighty-seven thousand, seventy".