72142295 has 8 divisors (see below), whose sum is σ = 87463824. Its totient is φ = 57118464.

The previous prime is 72142249. The next prime is 72142307. The reversal of 72142295 is 59224127.

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 72142295 - 2²² = 67947991 is a prime.

It is a Duffinian number.

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, 73889 + ... + 74858.

It is an arithmetic number, because the mean of its divisors is an integer number (10932978).

Almost surely, 2^72142295 is an apocalyptic number.

72142295 is a deficient number, since it is larger than the sum of its proper divisors (15321529).

72142295 is a wasteful number, since it uses less digits than its factorization.

72142295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148849.

The product of its digits is 10080, while the sum is 32.

The square root of 72142295 is about 8493.6620488456. The cubic root of 72142295 is about 416.2906449382.

The spelling of 72142295 in words is "seventy-two million, one hundred forty-two thousand, two hundred ninety-five".