72196230 has 32 divisors (see below), whose sum is σ = 176961024. Its totient is φ = 18842336.

The previous prime is 72196207. The next prime is 72196231. The reversal of 72196230 is 3269127.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72196231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24192 + ... + 27011.

It is an arithmetic number, because the mean of its divisors is an integer number (5530032).

Almost surely, 2^72196230 is an apocalyptic number.

72196230 is an abundant number, since it is smaller than the sum of its proper divisors (104764794).

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

72196230 is a wasteful number, since it uses less digits than its factorization.

72196230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51260.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 72196230 is about 8496.8364701223. The cubic root of 72196230 is about 416.3943614562.

The spelling of 72196230 in words is "seventy-two million, one hundred ninety-six thousand, two hundred thirty".