4072505615 has 4 divisors (see below), whose sum is σ = 4887006744. Its totient is φ = 3258004488.

The previous prime is 4072505573. The next prime is 4072505617. The reversal of 4072505615 is 5165052704.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4072505615 - 2¹⁶ = 4072440079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4072505617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 407250557 + ... + 407250566.

It is an arithmetic number, because the mean of its divisors is an integer number (1221751686).

Almost surely, 2^4072505615 is an apocalyptic number.

4072505615 is a deficient number, since it is larger than the sum of its proper divisors (814501129).

4072505615 is an equidigital number, since it uses as much as digits as its factorization.

4072505615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814501128.

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 4072505615 is about 63816.1861521041. The cubic root of 4072505615 is about 1596.9349675206.

The spelling of 4072505615 in words is "four billion, seventy-two million, five hundred five thousand, six hundred fifteen".