1437987968 has 64 divisors (see below), whose sum is σ = 3092558400. Its totient is φ = 663979008.

The previous prime is 1437987931. The next prime is 1437987973. The reversal of 1437987968 is 8697897341.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×1437987968² = 4135618792225538048, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1437987968.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76955 + ... + 93797.

It is an arithmetic number, because the mean of its divisors is an integer number (48321225).

Almost surely, 2^1437987968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1437987968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1546279200).

1437987968 is an abundant number, since it is smaller than the sum of its proper divisors (1654570432).

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

1437987968 is a wasteful number, since it uses less digits than its factorization.

1437987968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16909 (or 16897 counting only the distinct ones).

The product of its digits is 18289152, while the sum is 62.

The square root of 1437987968 is about 37920.8118056563. The cubic root of 1437987968 is about 1128.7170465646.

The spelling of 1437987968 in words is "one billion, four hundred thirty-seven million, nine hundred eighty-seven thousand, nine hundred sixty-eight".