72702265 has 8 divisors (see below), whose sum is σ = 91834560. Its totient is φ = 55100592.

The previous prime is 72702263. The next prime is 72702269. The reversal of 72702265 is 56220727.

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 72702265 - 2¹ = 72702263 is a prime.

It is a super-2 number, since 2×72702265² = 10571238672260450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72702263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382549 + ... + 382738.

It is an arithmetic number, because the mean of its divisors is an integer number (11479320).

Almost surely, 2^72702265 is an apocalyptic number.

It is an amenable number.

72702265 is a deficient number, since it is larger than the sum of its proper divisors (19132295).

72702265 is a wasteful number, since it uses less digits than its factorization.

72702265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765311.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 72702265 is about 8526.5623201851. The cubic root of 72702265 is about 417.3649556660.

The spelling of 72702265 in words is "seventy-two million, seven hundred two thousand, two hundred sixty-five".