71503148 has 12 divisors (see below), whose sum is σ = 127491840. Its totient is φ = 35076912.

The previous prime is 71503147. The next prime is 71503151. The reversal of 71503148 is 84130517.

It is a super-3 number, since 3×71503148³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 71503148.

It is not an unprimeable number, because it can be changed into a prime (71503147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168428 + ... + 168851.

It is an arithmetic number, because the mean of its divisors is an integer number (10624320).

Almost surely, 2^71503148 is an apocalyptic number.

It is an amenable number.

71503148 is a deficient number, since it is larger than the sum of its proper divisors (55988692).

71503148 is a wasteful number, since it uses less digits than its factorization.

71503148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337336 (or 337334 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 71503148 is about 8455.9534057373. The cubic root of 71503148 is about 415.0576162324.

The spelling of 71503148 in words is "seventy-one million, five hundred three thousand, one hundred forty-eight".