140473872 has 320 divisors, whose sum is σ = 519966720. Its totient is φ = 35251200.

The previous prime is 140473871. The next prime is 140473877. The reversal of 140473872 is 278374041.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (140473871) 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 63 ways as a sum of consecutive naturals, for example, 1363773 + ... + 1363875.

It is an arithmetic number, because the mean of its divisors is an integer number (1624896).

Almost surely, 2^140473872 is an apocalyptic number.

140473872 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 140473872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259983360).

140473872 is an abundant number, since it is smaller than the sum of its proper divisors (379492848).

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

140473872 is a wasteful number, since it uses less digits than its factorization.

140473872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 140473872 is about 11852.1673967254. The cubic root of 140473872 is about 519.8346022294.

The spelling of 140473872 in words is "one hundred forty million, four hundred seventy-three thousand, eight hundred seventy-two".