72230535 has 96 divisors (see below), whose sum is σ = 148599360. Its totient is φ = 33343488.

The previous prime is 72230447. The next prime is 72230537. The reversal of 72230535 is 53503227.

It is not a de Polignac number, because 72230535 - 2¹⁴ = 72214151 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 72230499 and 72230508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72230537) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 268381 + ... + 268649.

It is an arithmetic number, because the mean of its divisors is an integer number (1547910).

Almost surely, 2^72230535 is an apocalyptic number.

72230535 is an abundant number, since it is smaller than the sum of its proper divisors (76368825).

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

72230535 is a wasteful number, since it uses less digits than its factorization.

72230535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319 (or 307 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 27.

The square root of 72230535 is about 8498.8549228705. The cubic root of 72230535 is about 416.4603027881.

The spelling of 72230535 in words is "seventy-two million, two hundred thirty thousand, five hundred thirty-five".