4072940 has 24 divisors (see below), whose sum is σ = 8763552. Its totient is φ = 1589120.

The previous prime is 4072931. The next prime is 4072949. The reversal of 4072940 is 492704.

It is an interprime number because it is at equal distance from previous prime (4072931) and next prime (4072949).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4072949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1664 + ... + 3303.

It is an arithmetic number, because the mean of its divisors is an integer number (365148).

Almost surely, 2^4072940 is an apocalyptic number.

It is an amenable number.

4072940 is an abundant number, since it is smaller than the sum of its proper divisors (4690612).

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

4072940 is a wasteful number, since it uses less digits than its factorization.

4072940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5017 (or 5015 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 4072940 is about 2018.1526205914. The cubic root of 4072940 is about 159.6991743373.

The spelling of 4072940 in words is "four million, seventy-two thousand, nine hundred forty".