3437973720 has 192 divisors, whose sum is σ = 11626261920. Its totient is φ = 913711104.

The previous prime is 3437973713. The next prime is 3437973727. The reversal of 3437973720 is 273797343.

3437973720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3437973713) and next prime (3437973727).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3437973727) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5608134 + ... + 5608746.

Almost surely, 2^3437973720 is an apocalyptic number.

3437973720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3437973720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5813130960).

3437973720 is an abundant number, since it is smaller than the sum of its proper divisors (8188288200).

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

3437973720 is a wasteful number, since it uses less digits than its factorization.

3437973720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216 (or 1200 counting only the distinct ones).

The product of its (nonzero) digits is 666792, while the sum is 45.

The square root of 3437973720 is about 58634.2367563525. The cubic root of 3437973720 is about 1509.2720084812.

The spelling of 3437973720 in words is "three billion, four hundred thirty-seven million, nine hundred seventy-three thousand, seven hundred twenty".