1272673464 has 16 divisors (see below), whose sum is σ = 3181683720. Its totient is φ = 424224480.

The previous prime is 1272673463. The next prime is 1272673529. The reversal of 1272673464 is 4643762721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1272673463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26514007 + ... + 26514054.

Almost surely, 2^1272673464 is an apocalyptic number.

It is an amenable number.

1272673464 is an abundant number, since it is smaller than the sum of its proper divisors (1909010256).

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

1272673464 is a wasteful number, since it uses less digits than its factorization.

1272673464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53028070 (or 53028066 counting only the distinct ones).

The product of its digits is 338688, while the sum is 42.

The square root of 1272673464 is about 35674.5492473276. The cubic root of 1272673464 is about 1083.6914900252.

The spelling of 1272673464 in words is "one billion, two hundred seventy-two million, six hundred seventy-three thousand, four hundred sixty-four".