348727720 has 32 divisors (see below), whose sum is σ = 855969120. Its totient is φ = 126809920.

The previous prime is 348727663. The next prime is 348727727. The reversal of 348727720 is 27727843.

It is a super-2 number, since 2×348727720² = 243222045392796800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (348727727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395842 + ... + 396721.

It is an arithmetic number, because the mean of its divisors is an integer number (26749035).

Almost surely, 2^348727720 is an apocalyptic number.

It is an amenable number.

348727720 is an abundant number, since it is smaller than the sum of its proper divisors (507241400).

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

348727720 is a wasteful number, since it uses less digits than its factorization.

348727720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792585 (or 792581 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 40.

The square root of 348727720 is about 18674.2528632339. The cubic root of 348727720 is about 703.8749185922.

The spelling of 348727720 in words is "three hundred forty-eight million, seven hundred twenty-seven thousand, seven hundred twenty".