472750987 has 4 divisors (see below), whose sum is σ = 483745240. Its totient is φ = 461756736.

The previous prime is 472750979. The next prime is 472751009. The reversal of 472750987 is 789057274.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 472750987 - 2³ = 472750979 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 472750987.

It is not an unprimeable number, because it can be changed into a prime (472750087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5497062 + ... + 5497147.

It is an arithmetic number, because the mean of its divisors is an integer number (120936310).

Almost surely, 2^472750987 is an apocalyptic number.

472750987 is a deficient number, since it is larger than the sum of its proper divisors (10994253).

472750987 is a wasteful number, since it uses less digits than its factorization.

472750987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10994252.

The product of its (nonzero) digits is 987840, while the sum is 49.

The square root of 472750987 is about 21742.8376023002. The cubic root of 472750987 is about 779.0120007621.

The spelling of 472750987 in words is "four hundred seventy-two million, seven hundred fifty thousand, nine hundred eighty-seven".