72326030 has 64 divisors (see below), whose sum is σ = 156764160. Its totient is φ = 23489664.

The previous prime is 72326011. The next prime is 72326047. The reversal of 72326030 is 3062327.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 72325987 and 72326005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 268736 + ... + 269004.

It is an arithmetic number, because the mean of its divisors is an integer number (2449440).

Almost surely, 2^72326030 is an apocalyptic number.

72326030 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

72326030 is an abundant number, since it is smaller than the sum of its proper divisors (84438130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72326030 is a wasteful number, since it uses less digits than its factorization.

72326030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473.

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 72326030 is about 8504.4711769751. The cubic root of 72326030 is about 416.6437541178.

Adding to 72326030 its reverse (3062327), we get a palindrome (75388357).

The spelling of 72326030 in words is "seventy-two million, three hundred twenty-six thousand, thirty".