72366245 has 16 divisors (see below), whose sum is σ = 102448128. Its totient is φ = 48021120.

The previous prime is 72366241. The next prime is 72366247. The reversal of 72366245 is 54266327.

It is not a de Polignac number, because 72366245 - 2² = 72366241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72366241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32264 + ... + 34433.

It is an arithmetic number, because the mean of its divisors is an integer number (6403008).

Almost surely, 2^72366245 is an apocalyptic number.

It is an amenable number.

72366245 is a deficient number, since it is larger than the sum of its proper divisors (30081883).

72366245 is a wasteful number, since it uses less digits than its factorization.

72366245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66740.

The product of its digits is 60480, while the sum is 35.

The square root of 72366245 is about 8506.8351929493. The cubic root of 72366245 is about 416.7209611025.

The spelling of 72366245 in words is "seventy-two million, three hundred sixty-six thousand, two hundred forty-five".