3721073700 has 72 divisors (see below), whose sum is σ = 10777122720. Its totient is φ = 991289600.

The previous prime is 3721073693. The next prime is 3721073729. The reversal of 3721073700 is 73701273.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 321616 + ... + 332984.

It is an arithmetic number, because the mean of its divisors is an integer number (149682260).

Almost surely, 2^3721073700 is an apocalyptic number.

3721073700 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3721073700 is an abundant number, since it is smaller than the sum of its proper divisors (7056049020).

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

3721073700 is a wasteful number, since it uses less digits than its factorization.

3721073700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12477 (or 12470 counting only the distinct ones).

The product of its (nonzero) digits is 6174, while the sum is 30.

The square root of 3721073700 is about 61000.6040953694. The cubic root of 3721073700 is about 1549.6112379156.

Adding to 3721073700 its reverse (73701273), we get a palindrome (3794774973).

The spelling of 3721073700 in words is "three billion, seven hundred twenty-one million, seventy-three thousand, seven hundred".