3720500523 has 24 divisors (see below), whose sum is σ = 5669398800. Its totient is φ = 2344598784.

The previous prime is 3720500489. The next prime is 3720500543. The reversal of 3720500523 is 3250050273.

It is not a de Polignac number, because 3720500523 - 2²⁵ = 3686946091 is a prime.

It is a super-4 number, since 4×3720500523⁴ (a number of 39 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (3720500543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54343 + ... + 101951.

It is an arithmetic number, because the mean of its divisors is an integer number (236224950).

Almost surely, 2^3720500523 is an apocalyptic number.

3720500523 is a deficient number, since it is larger than the sum of its proper divisors (1948898277).

3720500523 is a wasteful number, since it uses less digits than its factorization.

3720500523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48091 (or 48088 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 27.

The square root of 3720500523 is about 60995.9057888314. The cubic root of 3720500523 is about 1549.5316688449.

Adding to 3720500523 its reverse (3250050273), we get a palindrome (6970550796).

The spelling of 3720500523 in words is "three billion, seven hundred twenty million, five hundred thousand, five hundred twenty-three".