1872534780 has 192 divisors, whose sum is σ = 6045580800. Its totient is φ = 480821760.

The previous prime is 1872534779. The next prime is 1872534793. The reversal of 1872534780 is 874352781.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1837111 + ... + 1838129.

It is an arithmetic number, because the mean of its divisors is an integer number (31487400).

Almost surely, 2^1872534780 is an apocalyptic number.

1872534780 is a gapful number since it is divisible by the number (10) 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 1872534780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3022790400).

1872534780 is an abundant number, since it is smaller than the sum of its proper divisors (4173046020).

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

1872534780 is a wasteful number, since it uses less digits than its factorization.

1872534780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161 (or 1153 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The square root of 1872534780 is about 43272.7949178234. The cubic root of 1872534780 is about 1232.5653774497.

The spelling of 1872534780 in words is "one billion, eight hundred seventy-two million, five hundred thirty-four thousand, seven hundred eighty".