1870002345 has 16 divisors (see below), whose sum is σ = 3042717120. Its totient is φ = 980430144.

The previous prime is 1870002319. The next prime is 1870002349. The reversal of 1870002345 is 5432000781.

It is not a de Polignac number, because 1870002345 - 2⁷ = 1870002217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1870002349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1055614 + ... + 1057383.

It is an arithmetic number, because the mean of its divisors is an integer number (190169820).

Almost surely, 2^1870002345 is an apocalyptic number.

1870002345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1870002345 is a deficient number, since it is larger than the sum of its proper divisors (1172714775).

1870002345 is a wasteful number, since it uses less digits than its factorization.

1870002345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2113064.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 1870002345 is about 43243.5237347744. The cubic root of 1870002345 is about 1232.0094821419.

The spelling of 1870002345 in words is "one billion, eight hundred seventy million, two thousand, three hundred forty-five".