81348002 has 8 divisors (see below), whose sum is σ = 124859856. Its totient is φ = 39728052.

The previous prime is 81347971. The next prime is 81348011. The reversal of 81348002 is 20084318.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 472868 + ... + 473039.

It is an arithmetic number, because the mean of its divisors is an integer number (15607482).

Almost surely, 2^81348002 is an apocalyptic number.

81348002 is a deficient number, since it is larger than the sum of its proper divisors (43511854).

81348002 is a wasteful number, since it uses less digits than its factorization.

81348002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945952.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 81348002 is about 9019.3127232622. The cubic root of 81348002 is about 433.2936225280.

The spelling of 81348002 in words is "eighty-one million, three hundred forty-eight thousand, two".