1903540672 has 56 divisors (see below), whose sum is σ = 4178881152. Its totient is φ = 853036800.

The previous prime is 1903540663. The next prime is 1903540679. The reversal of 1903540672 is 2760453091.

It is a super-3 number, since 3×1903540672³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1903540679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30943 + ... + 69025.

Almost surely, 2^1903540672 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 1903540672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2089440576).

1903540672 is an abundant number, since it is smaller than the sum of its proper divisors (2275340480).

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

1903540672 is a wasteful number, since it uses less digits than its factorization.

1903540672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38177 (or 38167 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 1903540672 is about 43629.5848249786. The cubic root of 1903540672 is about 1239.3312106357.

The spelling of 1903540672 in words is "one billion, nine hundred three million, five hundred forty thousand, six hundred seventy-two".