478746742 has 8 divisors (see below), whose sum is σ = 719023536. Its totient is φ = 239072232.

The previous prime is 478746689. The next prime is 478746773. The reversal of 478746742 is 247647874.

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

It is a super-2 number, since 2×478746742² = 458396885951229128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148578 + ... + 151765.

It is an arithmetic number, because the mean of its divisors is an integer number (89877942).

Almost surely, 2^478746742 is an apocalyptic number.

478746742 is a deficient number, since it is larger than the sum of its proper divisors (240276794).

478746742 is a wasteful number, since it uses less digits than its factorization.

478746742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301142.

The product of its digits is 2107392, while the sum is 49.

The square root of 478746742 is about 21880.2820365735. The cubic root of 478746742 is about 782.2914983073.

It can be divided in two parts, 4787 and 46742, that added together give a square (51529 = 227²).

The spelling of 478746742 in words is "four hundred seventy-eight million, seven hundred forty-six thousand, seven hundred forty-two".