140073472 has 240 divisors, whose sum is σ = 391849920. Its totient is φ = 48660480.

The previous prime is 140073463. The next prime is 140073503. The reversal of 140073472 is 274370041.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 140073472.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7372279 + ... + 7372297.

It is an arithmetic number, because the mean of its divisors is an integer number (1632708).

Almost surely, 2^140073472 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 140073472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195924960).

140073472 is an abundant number, since it is smaller than the sum of its proper divisors (251776448).

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

140073472 is a wasteful number, since it uses less digits than its factorization.

140073472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83 (or 56 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 140073472 is about 11835.2639176319. The cubic root of 140073472 is about 519.3402283300.

The spelling of 140073472 in words is "one hundred forty million, seventy-three thousand, four hundred seventy-two".