72112296 has 32 divisors (see below), whose sum is σ = 189770400. Its totient is φ = 22772160.

The previous prime is 72112289. The next prime is 72112303. The reversal of 72112296 is 69221127.

It is an interprime number because it is at equal distance from previous prime (72112289) and next prime (72112303).

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, 78615 + ... + 79526.

It is an arithmetic number, because the mean of its divisors is an integer number (5930325).

Almost surely, 2^72112296 is an apocalyptic number.

72112296 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

72112296 is an abundant number, since it is smaller than the sum of its proper divisors (117658104).

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

72112296 is a wasteful number, since it uses less digits than its factorization.

72112296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158169 (or 158165 counting only the distinct ones).

The product of its digits is 3024, while the sum is 30.

The square root of 72112296 is about 8491.8959013874. The cubic root of 72112296 is about 416.2329347584.

The spelling of 72112296 in words is "seventy-two million, one hundred twelve thousand, two hundred ninety-six".