72022785 has 8 divisors (see below), whose sum is σ = 115236480. Its totient is φ = 38412144.

The previous prime is 72022777. The next prime is 72022793. The reversal of 72022785 is 58722027.

It is an interprime number because it is at equal distance from previous prime (72022777) and next prime (72022793).

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

It is not a de Polignac number, because 72022785 - 2³ = 72022777 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2400745 + ... + 2400774.

It is an arithmetic number, because the mean of its divisors is an integer number (14404560).

Almost surely, 2^72022785 is an apocalyptic number.

It is an amenable number.

72022785 is a deficient number, since it is larger than the sum of its proper divisors (43213695).

72022785 is a wasteful number, since it uses less digits than its factorization.

72022785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4801527.

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 72022785 is about 8486.6238870354. The cubic root of 72022785 is about 416.0606439727.

The spelling of 72022785 in words is "seventy-two million, twenty-two thousand, seven hundred eighty-five".