71394048 has 180 divisors, whose sum is σ = 232979208. Its totient is φ = 21565440.

The previous prime is 71394041. The next prime is 71394049. The reversal of 71394048 is 84049317.

It is a happy number.

It is a super-2 number, since 2×71394048² = 10194220179652608, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71394041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 227940 + ... + 228252.

Almost surely, 2^71394048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71394048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116489604).

71394048 is an abundant number, since it is smaller than the sum of its proper divisors (161585160).

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

71394048 is a wasteful number, since it uses less digits than its factorization.

71394048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352 (or 329 counting only the distinct ones).

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

The square root of 71394048 is about 8449.4998668560. The cubic root of 71394048 is about 414.8464095109.

The spelling of 71394048 in words is "seventy-one million, three hundred ninety-four thousand, forty-eight".