672750551 has 8 divisors (see below), whose sum is σ = 744864384. Its totient is φ = 602462520.

The previous prime is 672750541. The next prime is 672750569. The reversal of 672750551 is 155057276.

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

It is a de Polignac number, because none of the positive numbers 2^k-672750551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672750511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 455675 + ... + 457148.

It is an arithmetic number, because the mean of its divisors is an integer number (93108048).

Almost surely, 2^672750551 is an apocalyptic number.

672750551 is a deficient number, since it is larger than the sum of its proper divisors (72113833).

672750551 is a wasteful number, since it uses less digits than its factorization.

672750551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912901.

The product of its (nonzero) digits is 73500, while the sum is 38.

The square root of 672750551 is about 25937.4353204013. The cubic root of 672750551 is about 876.2298031233.

The spelling of 672750551 in words is "six hundred seventy-two million, seven hundred fifty thousand, five hundred fifty-one".