1372726400 has 48 divisors (see below), whose sum is σ = 3391071090. Its totient is φ = 549089280.

The previous prime is 1372726349. The next prime is 1372726403. The reversal of 1372726400 is 46272731.

It can be written as a sum of positive squares in 3 ways, for example, as 1112355904 + 260370496 = 33352^2 + 16136^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (1372726403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 211289 + ... + 217688.

Almost surely, 2^1372726400 is an apocalyptic number.

1372726400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1372726400 is an abundant number, since it is smaller than the sum of its proper divisors (2018344690).

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

1372726400 is an equidigital number, since it uses as much as digits as its factorization.

1372726400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429001 (or 428984 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 1372726400 is about 37050.3225357081. The cubic root of 1372726400 is about 1111.3768052017.

The spelling of 1372726400 in words is "one billion, three hundred seventy-two million, seven hundred twenty-six thousand, four hundred".