240472751 has 8 divisors (see below), whose sum is σ = 251182080. Its totient is φ = 229784632.

The previous prime is 240472747. The next prime is 240472787. The reversal of 240472751 is 157274042.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 240472751 - 2² = 240472747 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240472951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20630 + ... + 30108.

It is an arithmetic number, because the mean of its divisors is an integer number (31397760).

Almost surely, 2^240472751 is an apocalyptic number.

240472751 is a deficient number, since it is larger than the sum of its proper divisors (10709329).

240472751 is a wasteful number, since it uses less digits than its factorization.

240472751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10605.

The product of its (nonzero) digits is 15680, while the sum is 32.

The square root of 240472751 is about 15507.1838513639. The cubic root of 240472751 is about 621.8542744740.

The spelling of 240472751 in words is "two hundred forty million, four hundred seventy-two thousand, seven hundred fifty-one".