72040695 has 32 divisors (see below), whose sum is σ = 119944704. Its totient is φ = 36892800.

The previous prime is 72040693. The next prime is 72040721. The reversal of 72040695 is 59604027.

It is not a de Polignac number, because 72040695 - 2¹ = 72040693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72040691) 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 31 ways as a sum of consecutive naturals, for example, 38430 + ... + 40260.

It is an arithmetic number, because the mean of its divisors is an integer number (3748272).

Almost surely, 2^72040695 is an apocalyptic number.

72040695 is a deficient number, since it is larger than the sum of its proper divisors (47904009).

72040695 is a wasteful number, since it uses less digits than its factorization.

72040695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1943.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 72040695 is about 8487.6790113670. The cubic root of 72040695 is about 416.0951285623.

The spelling of 72040695 in words is "seventy-two million, forty thousand, six hundred ninety-five".