83720962 has 8 divisors (see below), whose sum is σ = 135241596. Its totient is φ = 38640432.

The previous prime is 83720947. The next prime is 83720963. The reversal of 83720962 is 26902738.

It can be written as a sum of positive squares in 2 ways, for example, as 74666881 + 9054081 = 8641^2 + 3009^2 .

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

It is not an unprimeable number, because it can be changed into a prime (83720963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1609993 + ... + 1610044.

Almost surely, 2^83720962 is an apocalyptic number.

83720962 is a deficient number, since it is larger than the sum of its proper divisors (51520634).

83720962 is a wasteful number, since it uses less digits than its factorization.

83720962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3220052.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 83720962 is about 9149.9159558982. The cubic root of 83720962 is about 437.4664346494.

The spelling of 83720962 in words is "eighty-three million, seven hundred twenty thousand, nine hundred sixty-two".