42903660 has 48 divisors (see below), whose sum is σ = 120508416. Its totient is φ = 11404992.

The previous prime is 42903647. The next prime is 42903661. The reversal of 42903660 is 6630924.

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

It is not an unprimeable number, because it can be changed into a prime (42903661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22047 + ... + 23913.

It is an arithmetic number, because the mean of its divisors is an integer number (2510592).

Almost surely, 2^42903660 is an apocalyptic number.

It is an amenable number.

42903660 is an abundant number, since it is smaller than the sum of its proper divisors (77604756).

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

42903660 is a wasteful number, since it uses less digits than its factorization.

42903660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2262 (or 2260 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 42903660 is about 6550.0885490198. The cubic root of 42903660 is about 350.0779690242.

The spelling of 42903660 in words is "forty-two million, nine hundred three thousand, six hundred sixty".