71480742 has 16 divisors (see below), whose sum is σ = 145385280. Its totient is φ = 23422952.

The previous prime is 71480719. The next prime is 71480743. The reversal of 71480742 is 24708417.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71480743) 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, 100608 + ... + 101315.

It is an arithmetic number, because the mean of its divisors is an integer number (9086580).

Almost surely, 2^71480742 is an apocalyptic number.

71480742 is an abundant number, since it is smaller than the sum of its proper divisors (73904538).

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

71480742 is a wasteful number, since it uses less digits than its factorization.

71480742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201987.

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 71480742 is about 8454.6284365429. The cubic root of 71480742 is about 415.0142579898.

The spelling of 71480742 in words is "seventy-one million, four hundred eighty thousand, seven hundred forty-two".