472979902 has 4 divisors (see below), whose sum is σ = 709469856. Its totient is φ = 236489950.

The previous prime is 472979893. The next prime is 472979959. The reversal of 472979902 is 209979274.

It is a happy number.

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

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 118244974 + ... + 118244977.

It is an arithmetic number, because the mean of its divisors is an integer number (177367464).

Almost surely, 2^472979902 is an apocalyptic number.

472979902 is a deficient number, since it is larger than the sum of its proper divisors (236489954).

472979902 is a wasteful number, since it uses less digits than its factorization.

472979902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236489953.

The product of its (nonzero) digits is 571536, while the sum is 49.

The square root of 472979902 is about 21748.1011125109. The cubic root of 472979902 is about 779.1377179378.

The spelling of 472979902 in words is "four hundred seventy-two million, nine hundred seventy-nine thousand, nine hundred two".