1042634673 has 20 divisors (see below), whose sum is σ = 1563751728. Its totient is φ = 692307000.

The previous prime is 1042634669. The next prime is 1042634693. The reversal of 1042634673 is 3764362401.

It is a happy number.

1042634673 is a `hidden beast` number, since 10 + 4 + 2 + 634 + 6 + 7 + 3 = 666.

It is not a de Polignac number, because 1042634673 - 2² = 1042634669 is a prime.

It is a super-2 number, since 2×1042634673² = 2174174122683633858, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1042634693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5311 + ... + 45972.

Almost surely, 2^1042634673 is an apocalyptic number.

It is an amenable number.

1042634673 is a deficient number, since it is larger than the sum of its proper divisors (521117055).

1042634673 is an equidigital number, since it uses as much as digits as its factorization.

1042634673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51546 (or 51537 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The square root of 1042634673 is about 32289.8540256843. The cubic root of 1042634673 is about 1014.0142412481.

The spelling of 1042634673 in words is "one billion, forty-two million, six hundred thirty-four thousand, six hundred seventy-three".