1006719420 has 192 divisors, whose sum is σ = 3352559616. Its totient is φ = 220872960.

The previous prime is 1006719409. The next prime is 1006719431. The reversal of 1006719420 is 249176001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1006719409) and next prime (1006719431).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2174109 + ... + 2174571.

It is an arithmetic number, because the mean of its divisors is an integer number (17461248).

Almost surely, 2^1006719420 is an apocalyptic number.

1006719420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1006719420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1676279808).

1006719420 is an abundant number, since it is smaller than the sum of its proper divisors (2345840196).

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

1006719420 is a wasteful number, since it uses less digits than its factorization.

1006719420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680 (or 678 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 1006719420 is about 31728.8420841354. The cubic root of 1006719420 is about 1002.2348085768.

The spelling of 1006719420 in words is "one billion, six million, seven hundred nineteen thousand, four hundred twenty".