71503794 has 48 divisors (see below), whose sum is σ = 161341440. Its totient is φ = 22861440.

The previous prime is 71503741. The next prime is 71503813. The reversal of 71503794 is 49730517.

It is a happy number.

It is a super-2 number, since 2×71503794² = 10225585112788872, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70362 + ... + 71370.

It is an arithmetic number, because the mean of its divisors is an integer number (3361280).

Almost surely, 2^71503794 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71503794, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80670720).

71503794 is an abundant number, since it is smaller than the sum of its proper divisors (89837646).

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

71503794 is a wasteful number, since it uses less digits than its factorization.

71503794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175 (or 1172 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 71503794 is about 8455.9916035909. The cubic root of 71503794 is about 415.0588661839.

The spelling of 71503794 in words is "seventy-one million, five hundred three thousand, seven hundred ninety-four".