68447236 has 48 divisors (see below), whose sum is σ = 149022720. Its totient is φ = 27025920.

The previous prime is 68447233. The next prime is 68447263. The reversal of 68447236 is 63274486.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (68447233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6205 + ... + 13243.

It is an arithmetic number, because the mean of its divisors is an integer number (3104640).

Almost surely, 2^68447236 is an apocalyptic number.

It is an amenable number.

68447236 is an abundant number, since it is smaller than the sum of its proper divisors (80575484).

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

68447236 is a wasteful number, since it uses less digits than its factorization.

68447236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7084 (or 7082 counting only the distinct ones).

The product of its digits is 193536, while the sum is 40.

The square root of 68447236 is about 8273.2844747416. The cubic root of 68447236 is about 409.0583904058.

The spelling of 68447236 in words is "sixty-eight million, four hundred forty-seven thousand, two hundred thirty-six".