672291741 has 48 divisors (see below), whose sum is σ = 1047729600. Its totient is φ = 380190720.

The previous prime is 672291727. The next prime is 672291749. The reversal of 672291741 is 147192276.

It is not a de Polignac number, because 672291741 - 2⁹ = 672291229 is a prime.

It is a super-6 number, since 6×672291741⁶ (a number of 54 digits) contains 666666 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 672291741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672291749) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1497085 + ... + 1497533.

It is an arithmetic number, because the mean of its divisors is an integer number (21827700).

Almost surely, 2^672291741 is an apocalyptic number.

It is an amenable number.

672291741 is a deficient number, since it is larger than the sum of its proper divisors (375437859).

672291741 is a wasteful number, since it uses less digits than its factorization.

672291741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654 (or 637 counting only the distinct ones).

The product of its digits is 42336, while the sum is 39.

The square root of 672291741 is about 25928.5892597341. The cubic root of 672291741 is about 876.0305641324.

The spelling of 672291741 in words is "six hundred seventy-two million, two hundred ninety-one thousand, seven hundred forty-one".