1867742652 has 48 divisors (see below), whose sum is σ = 4495740032. Its totient is φ = 603218880.

The previous prime is 1867742641. The next prime is 1867742687. The reversal of 1867742652 is 2562477681.

It is a super-2 number, since 2×1867742652² = 6976925228199986208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30003 + ... + 68085.

Almost surely, 2^1867742652 is an apocalyptic number.

1867742652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1867742652 is an abundant number, since it is smaller than the sum of its proper divisors (2627997380).

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

1867742652 is a wasteful number, since it uses less digits than its factorization.

1867742652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38218 (or 38216 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 48.

The square root of 1867742652 is about 43217.3883060974. The cubic root of 1867742652 is about 1231.5130326169.

The spelling of 1867742652 in words is "one billion, eight hundred sixty-seven million, seven hundred forty-two thousand, six hundred fifty-two".