672540441 has 8 divisors (see below), whose sum is σ = 901904640. Its totient is φ = 445768272.

The previous prime is 672540419. The next prime is 672540461. The reversal of 672540441 is 144045276.

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

It is not a de Polignac number, because 672540441 - 2⁵ = 672540409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (672540461) 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, 647401 + ... + 648438.

It is an arithmetic number, because the mean of its divisors is an integer number (112738080).

Almost surely, 2^672540441 is an apocalyptic number.

It is an amenable number.

672540441 is a deficient number, since it is larger than the sum of its proper divisors (229364199).

672540441 is a wasteful number, since it uses less digits than its factorization.

672540441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296015.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 672540441 is about 25933.3846807547. The cubic root of 672540441 is about 876.1385737599.

The spelling of 672540441 in words is "six hundred seventy-two million, five hundred forty thousand, four hundred forty-one".