375720403 has 8 divisors (see below), whose sum is σ = 388830080. Its totient is φ = 362672640.

The previous prime is 375720391. The next prime is 375720409. The reversal of 375720403 is 304027573.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 375720403 - 2⁹ = 375719891 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (375720409) 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, 2958 + ... + 27571.

It is an arithmetic number, because the mean of its divisors is an integer number (48603760).

Almost surely, 2^375720403 is an apocalyptic number.

375720403 is a deficient number, since it is larger than the sum of its proper divisors (13109677).

375720403 is a wasteful number, since it uses less digits than its factorization.

375720403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30957.

The product of its (nonzero) digits is 17640, while the sum is 31.

The square root of 375720403 is about 19383.5085317390. The cubic root of 375720403 is about 721.5862679509.

Adding to 375720403 its reverse (304027573), we get a palindrome (679747976).

The spelling of 375720403 in words is "three hundred seventy-five million, seven hundred twenty thousand, four hundred three".