71503048 has 8 divisors (see below), whose sum is σ = 134068230. Its totient is φ = 35751520.

The previous prime is 71503043. The next prime is 71503073. The reversal of 71503048 is 84030517.

It can be written as a sum of positive squares in only one way, i.e., 53846244 + 17656804 = 7338^2 + 4202^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×71503048² = 10225371746580608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71503043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4468933 + ... + 4468948.

Almost surely, 2^71503048 is an apocalyptic number.

It is an amenable number.

71503048 is a deficient number, since it is larger than the sum of its proper divisors (62565182).

71503048 is a wasteful number, since it uses less digits than its factorization.

71503048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8937887 (or 8937883 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 71503048 is about 8455.9474927414. The cubic root of 71503048 is about 415.0574227408.

The spelling of 71503048 in words is "seventy-one million, five hundred three thousand, forty-eight".