1366774272 has 240 divisors, whose sum is σ = 4232273760. Its totient is φ = 423346176.

The previous prime is 1366774267. The next prime is 1366774273. The reversal of 1366774272 is 2724776631.

It is a super-2 number, since 2×1366774272² = 3736143821202259968, which contains 22 as substring.

Its product of digits (592704) is a multiple of the sum of its prime factors (343).

It is not an unprimeable number, because it can be changed into a prime (1366774273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5865868 + ... + 5866100.

It is an arithmetic number, because the mean of its divisors is an integer number (17634474).

Almost surely, 2^1366774272 is an apocalyptic number.

1366774272 is a gapful number since it is divisible by the number (12) 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 1366774272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2116136880).

1366774272 is an abundant number, since it is smaller than the sum of its proper divisors (2865499488).

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

1366774272 is a wasteful number, since it uses less digits than its factorization.

1366774272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343 (or 324 counting only the distinct ones).

The product of its digits is 592704, while the sum is 45.

The square root of 1366774272 is about 36969.9103596425. The cubic root of 1366774272 is about 1109.7681716970.

The spelling of 1366774272 in words is "one billion, three hundred sixty-six million, seven hundred seventy-four thousand, two hundred seventy-two".