71010432 has 112 divisors (see below), whose sum is σ = 212380830. Its totient is φ = 23639040.

The previous prime is 71010413. The next prime is 71010439. The reversal of 71010432 is 23401017.

It can be written as a sum of positive squares in only one way, i.e., 70963776 + 46656 = 8424^2 + 216^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (71010439) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 92932 + ... + 93692.

Almost surely, 2^71010432 is an apocalyptic number.

71010432 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71010432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106190415).

71010432 is an abundant number, since it is smaller than the sum of its proper divisors (141370398).

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

71010432 is an frugal number, since it uses more digits than its factorization.

71010432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793 (or 766 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 71010432 is about 8426.7687757527. The cubic root of 71010432 is about 414.1020542359.

Adding to 71010432 its reverse (23401017), we get a palindrome (94411449).

The spelling of 71010432 in words is "seventy-one million, ten thousand, four hundred thirty-two".