71454396 has 48 divisors (see below), whose sum is σ = 181336064. Its totient is φ = 21767616.

The previous prime is 71454389. The next prime is 71454401. The reversal of 71454396 is 69345417.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13845 + ... + 18291.

Almost surely, 2^71454396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71454396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90668032).

71454396 is an abundant number, since it is smaller than the sum of its proper divisors (109881668).

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

71454396 is a wasteful number, since it uses less digits than its factorization.

71454396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4570 (or 4568 counting only the distinct ones).

The product of its digits is 90720, while the sum is 39.

The square root of 71454396 is about 8453.0702114675. The cubic root of 71454396 is about 414.9632637923.

The spelling of 71454396 in words is "seventy-one million, four hundred fifty-four thousand, three hundred ninety-six".