72215079 has 8 divisors (see below), whose sum is σ = 97724160. Its totient is φ = 47424696.

The previous prime is 72215071. The next prime is 72215093. The reversal of 72215079 is 97051227.

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

It is not a de Polignac number, because 72215079 - 2³ = 72215071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72215071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179439 + ... + 179840.

It is an arithmetic number, because the mean of its divisors is an integer number (12215520).

Almost surely, 2^72215079 is an apocalyptic number.

72215079 is a deficient number, since it is larger than the sum of its proper divisors (25509081).

72215079 is a wasteful number, since it uses less digits than its factorization.

72215079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359349.

The product of its (nonzero) digits is 8820, while the sum is 33.

The square root of 72215079 is about 8497.9455752552. The cubic root of 72215079 is about 416.4305957323.

The spelling of 72215079 in words is "seventy-two million, two hundred fifteen thousand, seventy-nine".