71903132 has 24 divisors (see below), whose sum is σ = 152266464. Its totient is φ = 29002752.

The previous prime is 71903119. The next prime is 71903137. The reversal of 71903132 is 23130917.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71903137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75053 + ... + 76004.

It is an arithmetic number, because the mean of its divisors is an integer number (6344436).

Almost surely, 2^71903132 is an apocalyptic number.

It is an amenable number.

71903132 is an abundant number, since it is smaller than the sum of its proper divisors (80363332).

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

71903132 is a wasteful number, since it uses less digits than its factorization.

71903132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151085 (or 151083 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 71903132 is about 8479.5714514355. The cubic root of 71903132 is about 415.8301127680.

The spelling of 71903132 in words is "seventy-one million, nine hundred three thousand, one hundred thirty-two".