1067777420 has 24 divisors (see below), whose sum is σ = 2247216048. Its totient is φ = 426180800.

The previous prime is 1067777401. The next prime is 1067777437. The reversal of 1067777420 is 247777601.

It is a super-2 number, since 2×1067777420² = 2280297237323712800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48686 + ... + 67125.

It is an arithmetic number, because the mean of its divisors is an integer number (93634002).

Almost surely, 2^1067777420 is an apocalyptic number.

1067777420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1067777420 is an abundant number, since it is smaller than the sum of its proper divisors (1179438628).

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

1067777420 is a wasteful number, since it uses less digits than its factorization.

1067777420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116281 (or 116279 counting only the distinct ones).

The product of its (nonzero) digits is 115248, while the sum is 41.

The square root of 1067777420 is about 32676.8636805921. The cubic root of 1067777420 is about 1022.1004454720.

The spelling of 1067777420 in words is "one billion, sixty-seven million, seven hundred seventy-seven thousand, four hundred twenty".