83730955 has 24 divisors (see below), whose sum is σ = 127511280. Its totient is φ = 52194240.

The previous prime is 83730953. The next prime is 83730991. The reversal of 83730955 is 55903738.

It is a happy number.

It is not a de Polignac number, because 83730955 - 2¹ = 83730953 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (83730953) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12840 + ... + 18229.

It is an arithmetic number, because the mean of its divisors is an integer number (5312970).

Almost surely, 2^83730955 is an apocalyptic number.

83730955 is a deficient number, since it is larger than the sum of its proper divisors (43780325).

83730955 is a wasteful number, since it uses less digits than its factorization.

83730955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31099 (or 31092 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 83730955 is about 9150.4620101938. The cubic root of 83730955 is about 437.4838394031.

The spelling of 83730955 in words is "eighty-three million, seven hundred thirty thousand, nine hundred fifty-five".