72842395 has 4 divisors (see below), whose sum is σ = 87410880. Its totient is φ = 58273912.

The previous prime is 72842389. The next prime is 72842423. The reversal of 72842395 is 59324827.

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 72842395 - 2⁷ = 72842267 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7284235 + ... + 7284244.

It is an arithmetic number, because the mean of its divisors is an integer number (21852720).

Almost surely, 2^72842395 is an apocalyptic number.

72842395 is a deficient number, since it is larger than the sum of its proper divisors (14568485).

72842395 is a wasteful number, since it uses less digits than its factorization.

72842395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14568484.

The product of its digits is 120960, while the sum is 40.

The square root of 72842395 is about 8534.7756268106. The cubic root of 72842395 is about 417.6329336332.

It can be divided in two parts, 72842 and 395, that added together give a palindrome (73237).

The spelling of 72842395 in words is "seventy-two million, eight hundred forty-two thousand, three hundred ninety-five".