672355047 has 16 divisors (see below), whose sum is σ = 1103352320. Its totient is φ = 354648672.

The previous prime is 672355031. The next prime is 672355097. The reversal of 672355047 is 740553276.

It is not a de Polignac number, because 672355047 - 2⁴ = 672355031 is a prime.

It is a super-2 number, since 2×672355047² = 904122618452744418, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 672354996 and 672355014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672355097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1231147 + ... + 1231692.

It is an arithmetic number, because the mean of its divisors is an integer number (68959520).

Almost surely, 2^672355047 is an apocalyptic number.

672355047 is a deficient number, since it is larger than the sum of its proper divisors (430997273).

672355047 is a wasteful number, since it uses less digits than its factorization.

672355047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2462862.

The product of its (nonzero) digits is 176400, while the sum is 39.

The square root of 672355047 is about 25929.8100070170. The cubic root of 672355047 is about 876.0580602559.

The spelling of 672355047 in words is "six hundred seventy-two million, three hundred fifty-five thousand, forty-seven".