72028202397 has 8 divisors (see below), whose sum is σ = 96254394144. Its totient is φ = 47910406128.

The previous prime is 72028202387. The next prime is 72028202417. The reversal of 72028202397 is 79320282027.

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

It is not a de Polignac number, because 72028202397 - 2¹² = 72028198301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72028202357) 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, 27097318 + ... + 27099975.

It is an arithmetic number, because the mean of its divisors is an integer number (12031799268).

Almost surely, 2^72028202397 is an apocalyptic number.

It is an amenable number.

72028202397 is a deficient number, since it is larger than the sum of its proper divisors (24226191747).

72028202397 is a wasteful number, since it uses less digits than its factorization.

72028202397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54197739.

The product of its (nonzero) digits is 169344, while the sum is 42.

The spelling of 72028202397 in words is "seventy-two billion, twenty-eight million, two hundred two thousand, three hundred ninety-seven".