72428853 has 8 divisors (see below), whose sum is σ = 110367808. Its totient is φ = 41387904.

The previous prime is 72428843. The next prime is 72428861. The reversal of 72428853 is 35882427.

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

It is not a de Polignac number, because 72428853 - 2⁵ = 72428821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72428843) 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, 1724476 + ... + 1724517.

It is an arithmetic number, because the mean of its divisors is an integer number (13795976).

Almost surely, 2^72428853 is an apocalyptic number.

It is an amenable number.

72428853 is a deficient number, since it is larger than the sum of its proper divisors (37938955).

72428853 is a wasteful number, since it uses less digits than its factorization.

72428853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3449003.

The product of its digits is 107520, while the sum is 39.

The square root of 72428853 is about 8510.5142617823. The cubic root of 72428853 is about 416.8411025007.

The spelling of 72428853 in words is "seventy-two million, four hundred twenty-eight thousand, eight hundred fifty-three".