1867234972 has 12 divisors (see below), whose sum is σ = 3281687136. Its totient is φ = 929610080.

The previous prime is 1867234969. The next prime is 1867234979. The reversal of 1867234972 is 2794327681.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1867234979) 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, 1000804 + ... + 1002667.

It is an arithmetic number, because the mean of its divisors is an integer number (273473928).

Almost surely, 2^1867234972 is an apocalyptic number.

It is an amenable number.

1867234972 is a deficient number, since it is larger than the sum of its proper divisors (1414452164).

1867234972 is a wasteful number, since it uses less digits than its factorization.

1867234972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2003708 (or 2003706 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 49.

The square root of 1867234972 is about 43211.5143451372. The cubic root of 1867234972 is about 1231.4014413704.

The spelling of 1867234972 in words is "one billion, eight hundred sixty-seven million, two hundred thirty-four thousand, nine hundred seventy-two".