72842659 has 4 divisors (see below), whose sum is σ = 73147680. Its totient is φ = 72537640.

The previous prime is 72842657. The next prime is 72842669. The reversal of 72842659 is 95624827.

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 72842659 - 2¹ = 72842657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72842657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152152 + ... + 152629.

It is an arithmetic number, because the mean of its divisors is an integer number (18286920).

Almost surely, 2^72842659 is an apocalyptic number.

72842659 is a deficient number, since it is larger than the sum of its proper divisors (305021).

72842659 is a wasteful number, since it uses less digits than its factorization.

72842659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305020.

The product of its digits is 241920, while the sum is 43.

The square root of 72842659 is about 8534.7910929325. The cubic root of 72842659 is about 417.6334381698.

The spelling of 72842659 in words is "seventy-two million, eight hundred forty-two thousand, six hundred fifty-nine".