83901745 has 8 divisors (see below), whose sum is σ = 100817640. Its totient is φ = 67031040.

The previous prime is 83901733. The next prime is 83901757. The reversal of 83901745 is 54710938.

It is an interprime number because it is at equal distance from previous prime (83901733) and next prime (83901757).

It can be written as a sum of positive squares in 4 ways, for example, as 8020224 + 75881521 = 2832^2 + 8711^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 83901745 - 2¹³ = 83893553 is a prime.

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, 7066 + ... + 14755.

It is an arithmetic number, because the mean of its divisors is an integer number (12602205).

Almost surely, 2^83901745 is an apocalyptic number.

It is an amenable number.

83901745 is a deficient number, since it is larger than the sum of its proper divisors (16915895).

83901745 is a wasteful number, since it uses less digits than its factorization.

83901745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22595.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 83901745 is about 9159.7895718188. The cubic root of 83901745 is about 437.7810895680.

The spelling of 83901745 in words is "eighty-three million, nine hundred one thousand, seven hundred forty-five".