672475821735752 has 32 divisors (see below), whose sum is σ = 1278269934036480. Its totient is φ = 331604598049920.

The previous prime is 672475821735689. The next prime is 672475821735829. The reversal of 672475821735752 is 257537128574276.

It is a happy number.

It is a super-2 number, since 2×672475821735752² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40322624 + ... + 54505647.

It is an arithmetic number, because the mean of its divisors is an integer number (39945935438640).

Almost surely, 2^{672475821735752} is an apocalyptic number.

It is an amenable number.

672475821735752 is a deficient number, since it is larger than the sum of its proper divisors (605794112300728).

672475821735752 is a wasteful number, since it uses less digits than its factorization.

672475821735752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94840493 (or 94840489 counting only the distinct ones).

The product of its digits is 1382976000, while the sum is 71.

The spelling of 672475821735752 in words is "six hundred seventy-two trillion, four hundred seventy-five billion, eight hundred twenty-one million, seven hundred thirty-five thousand, seven hundred fifty-two".