1501872372 has 288 divisors, whose sum is σ = 5177862144. Its totient is φ = 354412800.

The previous prime is 1501872349. The next prime is 1501872373. The reversal of 1501872372 is 2732781051.

1501872372 is a `hidden beast` number, since 1 + 501 + 87 + 2 + 3 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1501872373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2558263 + ... + 2558849.

It is an arithmetic number, because the mean of its divisors is an integer number (17978688).

Almost surely, 2^1501872372 is an apocalyptic number.

1501872372 is a gapful number since it is divisible by the number (12) 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 1501872372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2588931072).

1501872372 is an abundant number, since it is smaller than the sum of its proper divisors (3675989772).

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

1501872372 is a wasteful number, since it uses less digits than its factorization.

1501872372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699 (or 694 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 1501872372 is about 38753.9981421272. The cubic root of 1501872372 is about 1145.1903402669.

The spelling of 1501872372 in words is "one billion, five hundred one million, eight hundred seventy-two thousand, three hundred seventy-two".