72070369 has 8 divisors (see below), whose sum is σ = 82450368. Its totient is φ = 61711440.

The previous prime is 72070367. The next prime is 72070373. The reversal of 72070369 is 96307027.

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

It is not a de Polignac number, because 72070369 - 2¹ = 72070367 is a prime.

It is a super-2 number, since 2×72070369² = 10388276175592322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72070367) 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, 2919 + ... + 12355.

It is an arithmetic number, because the mean of its divisors is an integer number (10306296).

Almost surely, 2^72070369 is an apocalyptic number.

It is an amenable number.

72070369 is a deficient number, since it is larger than the sum of its proper divisors (10379999).

72070369 is a wasteful number, since it uses less digits than its factorization.

72070369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10535.

The product of its (nonzero) digits is 15876, while the sum is 34.

The square root of 72070369 is about 8489.4268946732. The cubic root of 72070369 is about 416.1522514238.

The spelling of 72070369 in words is "seventy-two million, seventy thousand, three hundred sixty-nine".