1942872720 has 40 divisors (see below), whose sum is σ = 6022906176. Its totient is φ = 518099328.

The previous prime is 1942872707. The next prime is 1942872733. The reversal of 1942872720 is 272782491.

It is an interprime number because it is at equal distance from previous prime (1942872707) and next prime (1942872733).

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1942872720² = 7549508812240396800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4047412 + ... + 4047891.

Almost surely, 2^1942872720 is an apocalyptic number.

1942872720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1942872720 is an abundant number, since it is smaller than the sum of its proper divisors (4080033456).

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

1942872720 is a wasteful number, since it uses less digits than its factorization.

1942872720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8095319 (or 8095313 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 1942872720 is about 44078.0299015280. The cubic root of 1942872720 is about 1247.8090088232.

The spelling of 1942872720 in words is "one billion, nine hundred forty-two million, eight hundred seventy-two thousand, seven hundred twenty".