501474742 has 4 divisors (see below), whose sum is σ = 752212116. Its totient is φ = 250737370.

The previous prime is 501474737. The next prime is 501474763. The reversal of 501474742 is 247474105.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 501474698 and 501474707.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125368684 + ... + 125368687.

It is an arithmetic number, because the mean of its divisors is an integer number (188053029).

Almost surely, 2^501474742 is an apocalyptic number.

501474742 is a deficient number, since it is larger than the sum of its proper divisors (250737374).

501474742 is a wasteful number, since it uses less digits than its factorization.

501474742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250737373.

The product of its (nonzero) digits is 31360, while the sum is 34.

The square root of 501474742 is about 22393.6317286857. The cubic root of 501474742 is about 794.4800957103.

The spelling of 501474742 in words is "five hundred one million, four hundred seventy-four thousand, seven hundred forty-two".