72036407 has 8 divisors (see below), whose sum is σ = 72682752. Its totient is φ = 71393400.

The previous prime is 72036403. The next prime is 72036409. The reversal of 72036407 is 70463027.

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 72036407 - 2² = 72036403 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72036407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72036403) 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, 60932 + ... + 62102.

It is an arithmetic number, because the mean of its divisors is an integer number (9085344).

Almost surely, 2^72036407 is an apocalyptic number.

72036407 is a deficient number, since it is larger than the sum of its proper divisors (646345).

72036407 is a wasteful number, since it uses less digits than its factorization.

72036407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 72036407 is about 8487.4264061611. The cubic root of 72036407 is about 416.0868728058.

The spelling of 72036407 in words is "seventy-two million, thirty-six thousand, four hundred seven".