4090072 has 16 divisors (see below), whose sum is σ = 8764560. Its totient is φ = 1752864.

The previous prime is 4090069. The next prime is 4090103. The reversal of 4090072 is 2700904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36463 + ... + 36574.

It is an arithmetic number, because the mean of its divisors is an integer number (547785).

Almost surely, 2^4090072 is an apocalyptic number.

It is an amenable number.

4090072 is an abundant number, since it is smaller than the sum of its proper divisors (4674488).

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

4090072 is a wasteful number, since it uses less digits than its factorization.

4090072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73050 (or 73046 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 4090072 is about 2022.3926423917. The cubic root of 4090072 is about 159.9227752331.

Adding to 4090072 its reverse (2700904), we get a palindrome (6790976).

The spelling of 4090072 in words is "four million, ninety thousand, seventy-two".