72361610 has 8 divisors (see below), whose sum is σ = 130250916. Its totient is φ = 28944640.

The previous prime is 72361591. The next prime is 72361613. The reversal of 72361610 is 1616327.

It can be written as a sum of positive squares in 2 ways, for example, as 68277169 + 4084441 = 8263^2 + 2021^2 .

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

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 72361610.

It is not an unprimeable number, because it can be changed into a prime (72361613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3618071 + ... + 3618090.

Almost surely, 2^72361610 is an apocalyptic number.

72361610 is a deficient number, since it is larger than the sum of its proper divisors (57889306).

72361610 is a wasteful number, since it uses less digits than its factorization.

72361610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7236168.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 72361610 is about 8506.5627605984. The cubic root of 72361610 is about 416.7120640314.

Adding to 72361610 its reverse (1616327), we get a palindrome (73977937).

The spelling of 72361610 in words is "seventy-two million, three hundred sixty-one thousand, six hundred ten".