3700720398 has 16 divisors (see below), whose sum is σ = 7495130880. Its totient is φ = 1217958456.

The previous prime is 3700720369. The next prime is 3700720403. The reversal of 3700720398 is 8930270073.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3903240 + ... + 3904187.

It is an arithmetic number, because the mean of its divisors is an integer number (468445680).

Almost surely, 2^3700720398 is an apocalyptic number.

3700720398 is an abundant number, since it is smaller than the sum of its proper divisors (3794410482).

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

3700720398 is a wasteful number, since it uses less digits than its factorization.

3700720398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7807511.

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 3700720398 is about 60833.5466498543. The cubic root of 3700720398 is about 1546.7807479289.

The spelling of 3700720398 in words is "three billion, seven hundred million, seven hundred twenty thousand, three hundred ninety-eight".