3720423600 has 90 divisors (see below), whose sum is σ = 12910915836. Its totient is φ = 992112000.

The previous prime is 3720423589. The next prime is 3720423607. The reversal of 3720423600 is 63240273.

3720423600 is a `hidden beast` number, since 37 + 2 + 0 + 4 + 23 + 600 = 666.

It is a tau number, because it is divible by the number of its divisors (90).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (3720423607) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 513126 + ... + 520325.

Almost surely, 2^3720423600 is an apocalyptic number.

3720423600 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3720423600 is an abundant number, since it is smaller than the sum of its proper divisors (9190492236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3720423600 is a wasteful number, since it uses less digits than its factorization.

3720423600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033475 (or 1033461 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 3720423600 is about 60995.2752268567. The cubic root of 3720423600 is about 1549.5209896862.

Adding to 3720423600 its reverse (63240273), we get a palindrome (3783663873).

The spelling of 3720423600 in words is "three billion, seven hundred twenty million, four hundred twenty-three thousand, six hundred".