80003745 has 12 divisors (see below), whose sum is σ = 138673236. Its totient is φ = 42668640.

The previous prime is 80003743. The next prime is 80003747. The reversal of 80003745 is 54730008.

It is an interprime number because it is at equal distance from previous prime (80003743) and next prime (80003747).

It can be written as a sum of positive squares in 2 ways, for example, as 43243776 + 36759969 = 6576^2 + 6063^2 .

It is not a de Polignac number, because 80003745 - 2¹ = 80003743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80003741) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 888886 + ... + 888975.

It is an arithmetic number, because the mean of its divisors is an integer number (11556103).

Almost surely, 2^80003745 is an apocalyptic number.

It is an amenable number.

80003745 is a deficient number, since it is larger than the sum of its proper divisors (58669491).

80003745 is a wasteful number, since it uses less digits than its factorization.

80003745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1777872 (or 1777869 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 80003745 is about 8944.4812594135. The cubic root of 80003745 is about 430.8936615331.

The spelling of 80003745 in words is "eighty million, three thousand, seven hundred forty-five".