4207940072 has 48 divisors (see below), whose sum is σ = 9183982500. Its totient is φ = 1802234112.

The previous prime is 4207940071. The next prime is 4207940119. The reversal of 4207940072 is 2700497024.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3232377316 + 975562756 = 56854^2 + 31234^2 .

It is not an unprimeable number, because it can be changed into a prime (4207940071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 902804 + ... + 907452.

Almost surely, 2^4207940072 is an apocalyptic number.

It is an amenable number.

4207940072 is an abundant number, since it is smaller than the sum of its proper divisors (4976042428).

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

4207940072 is a wasteful number, since it uses less digits than its factorization.

4207940072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6978 (or 6967 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 4207940072 is about 64868.6370444146. The cubic root of 4207940072 is about 1614.4447313588. Note that the first 3 decimals are identical.

The spelling of 4207940072 in words is "four billion, two hundred seven million, nine hundred forty thousand, seventy-two".