72071735 has 8 divisors (see below), whose sum is σ = 86531760. Its totient is φ = 57626944.

The previous prime is 72071729. The next prime is 72071761. The reversal of 72071735 is 53717027.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72071735 - 2¹⁰ = 72070711 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15659 + ... + 19731.

It is an arithmetic number, because the mean of its divisors is an integer number (10816470).

Almost surely, 2^72071735 is an apocalyptic number.

72071735 is a deficient number, since it is larger than the sum of its proper divisors (14460025).

72071735 is a wasteful number, since it uses less digits than its factorization.

72071735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7617.

The product of its (nonzero) digits is 10290, while the sum is 32.

The square root of 72071735 is about 8489.5073473082. The cubic root of 72071735 is about 416.1548806152.

The spelling of 72071735 in words is "seventy-two million, seventy-one thousand, seven hundred thirty-five".