1372740450 has 144 divisors (see below), whose sum is σ = 3590529120. Its totient is φ = 347001600.

The previous prime is 1372740449. The next prime is 1372740461. The reversal of 1372740450 is 540472731.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 12829297 + ... + 12829403.

It is an arithmetic number, because the mean of its divisors is an integer number (24934230).

Almost surely, 2^1372740450 is an apocalyptic number.

1372740450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1372740450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1795264560).

1372740450 is an abundant number, since it is smaller than the sum of its proper divisors (2217788670).

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

1372740450 is a wasteful number, since it uses less digits than its factorization.

1372740450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 1372740450 is about 37050.5121422093. The cubic root of 1372740450 is about 1111.3805968751.

The spelling of 1372740450 in words is "one billion, three hundred seventy-two million, seven hundred forty thousand, four hundred fifty".