472776642 has 128 divisors (see below), whose sum is σ = 1173553920. Its totient is φ = 140175360.

The previous prime is 472776641. The next prime is 472776643. The reversal of 472776642 is 246677274.

It is an interprime number because it is at equal distance from previous prime (472776641) and next prime (472776643).

It is not an unprimeable number, because it can be changed into a prime (472776641) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3608917 + ... + 3609047.

It is an arithmetic number, because the mean of its divisors is an integer number (9168390).

Almost surely, 2^472776642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 472776642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (586776960).

472776642 is an abundant number, since it is smaller than the sum of its proper divisors (700777278).

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

472776642 is a wasteful number, since it uses less digits than its factorization.

472776642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305 (or 299 counting only the distinct ones).

The product of its digits is 790272, while the sum is 45.

The square root of 472776642 is about 21743.4275586900. The cubic root of 472776642 is about 779.0260921773.

The spelling of 472776642 in words is "four hundred seventy-two million, seven hundred seventy-six thousand, six hundred forty-two".