72098622 has 24 divisors (see below), whose sum is σ = 161254080. Its totient is φ = 23257440.

The previous prime is 72098617. The next prime is 72098627. The reversal of 72098622 is 22689027.

72098622 is a `hidden beast` number, since 7 + 20 + 9 + 8 + 622 = 666.

It is an interprime number because it is at equal distance from previous prime (72098617) and next prime (72098627).

It is a super-2 number, since 2×72098622² = 10396422588597768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72098627) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64047 + ... + 65162.

It is an arithmetic number, because the mean of its divisors is an integer number (6718920).

Almost surely, 2^72098622 is an apocalyptic number.

72098622 is an abundant number, since it is smaller than the sum of its proper divisors (89155458).

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

72098622 is a wasteful number, since it uses less digits than its factorization.

72098622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129248 (or 129245 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 72098622 is about 8491.0907426549. The cubic root of 72098622 is about 416.2066242711.

The spelling of 72098622 in words is "seventy-two million, ninety-eight thousand, six hundred twenty-two".