672415742 has 4 divisors (see below), whose sum is σ = 1008623616. Its totient is φ = 336207870.

The previous prime is 672415687. The next prime is 672415753. The reversal of 672415742 is 247514276.

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 = 672415696 and 672415705.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168103934 + ... + 168103937.

It is an arithmetic number, because the mean of its divisors is an integer number (252155904).

Almost surely, 2^672415742 is an apocalyptic number.

672415742 is a deficient number, since it is larger than the sum of its proper divisors (336207874).

672415742 is a wasteful number, since it uses less digits than its factorization.

672415742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336207873.

The product of its digits is 94080, while the sum is 38.

The square root of 672415742 is about 25930.9803516952. The cubic root of 672415742 is about 876.0844207055.

The spelling of 672415742 in words is "six hundred seventy-two million, four hundred fifteen thousand, seven hundred forty-two".