1369427472 has 240 divisors, whose sum is σ = 4616148992. Its totient is φ = 384912000.

The previous prime is 1369427467. The next prime is 1369427483. The reversal of 1369427472 is 2747249631.

1369427472 is a `hidden beast` number, since 136 + 9 + 42 + 7 + 472 = 666.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1823097 + ... + 1823847.

Almost surely, 2^1369427472 is an apocalyptic number.

1369427472 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 1369427472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2308074496).

1369427472 is an abundant number, since it is smaller than the sum of its proper divisors (3246721520).

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

1369427472 is an equidigital number, since it uses as much as digits as its factorization.

1369427472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848 (or 830 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 1369427472 is about 37005.7761977776. The cubic root of 1369427472 is about 1110.4858063413.

The spelling of 1369427472 in words is "one billion, three hundred sixty-nine million, four hundred twenty-seven thousand, four hundred seventy-two".