672720050 has 12 divisors (see below), whose sum is σ = 1251259386. Its totient is φ = 269088000.

The previous prime is 672720049. The next prime is 672720053. The reversal of 672720050 is 50027276.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 591413761 + 81306289 = 24319^2 + 9017^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 672719995 and 672720022.

It is not an unprimeable number, because it can be changed into a prime (672720053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6727151 + ... + 6727250.

Almost surely, 2^672720050 is an apocalyptic number.

672720050 is a deficient number, since it is larger than the sum of its proper divisors (578539336).

672720050 is a wasteful number, since it uses less digits than its factorization.

672720050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13454413 (or 13454408 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 672720050 is about 25936.8473411862. The cubic root of 672720050 is about 876.2165608256.

The spelling of 672720050 in words is "six hundred seventy-two million, seven hundred twenty thousand, fifty".