672752274 has 16 divisors (see below), whose sum is σ = 1356100608. Its totient is φ = 222484752.

The previous prime is 672752273. The next prime is 672752281. The reversal of 672752274 is 472257276.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (672752273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440677 + ... + 442200.

It is an arithmetic number, because the mean of its divisors is an integer number (84756288).

Almost surely, 2^672752274 is an apocalyptic number.

672752274 is an abundant number, since it is smaller than the sum of its proper divisors (683348334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

672752274 is a wasteful number, since it uses less digits than its factorization.

672752274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883009.

The product of its digits is 329280, while the sum is 42.

The square root of 672752274 is about 25937.4685349207. The cubic root of 672752274 is about 876.2305511681.

The spelling of 672752274 in words is "six hundred seventy-two million, seven hundred fifty-two thousand, two hundred seventy-four".