71502048 has 48 divisors (see below), whose sum is σ = 208550160. Its totient is φ = 23833728.

The previous prime is 71502037. The next prime is 71502071. The reversal of 71502048 is 84020517.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×71502048² = 10225085736388608, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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, 40515 + ... + 42242.

It is an arithmetic number, because the mean of its divisors is an integer number (4344795).

Almost surely, 2^71502048 is an apocalyptic number.

It is an amenable number.

71502048 is an abundant number, since it is smaller than the sum of its proper divisors (137048112).

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

71502048 is a wasteful number, since it uses less digits than its factorization.

71502048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82776 (or 82762 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 71502048 is about 8455.8883625554. Note that the first 3 decimals coincide. The cubic root of 71502048 is about 415.0554878146.

The spelling of 71502048 in words is "seventy-one million, five hundred two thousand, forty-eight".