71402016 has 144 divisors (see below), whose sum is σ = 223733664. Its totient is φ = 19869696.

The previous prime is 71402003. The next prime is 71402027. The reversal of 71402016 is 61020417.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 71401983 and 71402001.

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, 202096 + ... + 202448.

It is an arithmetic number, because the mean of its divisors is an integer number (1553706).

Almost surely, 2^71402016 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 71402016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111866832).

71402016 is an abundant number, since it is smaller than the sum of its proper divisors (152331648).

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

71402016 is a wasteful number, since it uses less digits than its factorization.

71402016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423 (or 408 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 71402016 is about 8449.9713608982. The cubic root of 71402016 is about 414.8618420449.

The spelling of 71402016 in words is "seventy-one million, four hundred two thousand, sixteen".