266073420 has 48 divisors (see below), whose sum is σ = 745936128. Its totient is φ = 70864320.

The previous prime is 266073413. The next prime is 266073427. The reversal of 266073420 is 24370662.

266073420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (266073413) and next prime (266073427).

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

It is not an unprimeable number, because it can be changed into a prime (266073427) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 55977 + ... + 60543.

It is an arithmetic number, because the mean of its divisors is an integer number (15540336).

Almost surely, 2^266073420 is an apocalyptic number.

266073420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266073420 is an abundant number, since it is smaller than the sum of its proper divisors (479862708).

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

266073420 is a wasteful number, since it uses less digits than its factorization.

266073420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5550 (or 5548 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 266073420 is about 16311.7571095207. The cubic root of 266073420 is about 643.1819242123.

The spelling of 266073420 in words is "two hundred sixty-six million, seventy-three thousand, four hundred twenty".