140472750 has 64 divisors (see below), whose sum is σ = 382516992. Its totient is φ = 34052000.

The previous prime is 140472679. The next prime is 140472797. The reversal of 140472750 is 57274041.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 264 + ... + 16763.

It is an arithmetic number, because the mean of its divisors is an integer number (5976828).

Almost surely, 2^140472750 is an apocalyptic number.

140472750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 140472750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191258496).

140472750 is an abundant number, since it is smaller than the sum of its proper divisors (242044242).

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

140472750 is a wasteful number, since it uses less digits than its factorization.

140472750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17058 (or 17048 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 140472750 is about 11852.1200635161. The cubic root of 140472750 is about 519.8332182093.

The spelling of 140472750 in words is "one hundred forty million, four hundred seventy-two thousand, seven hundred fifty".