71153434 has 16 divisors (see below), whose sum is σ = 116582976. Its totient is φ = 32300800.

The previous prime is 71153419. The next prime is 71153447. The reversal of 71153434 is 43435117.

It is a super-2 number, since 2×71153434² = 10125622339984712, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21114 + ... + 24250.

It is an arithmetic number, because the mean of its divisors is an integer number (7286436).

Almost surely, 2^71153434 is an apocalyptic number.

71153434 is a deficient number, since it is larger than the sum of its proper divisors (45429542).

71153434 is a wasteful number, since it uses less digits than its factorization.

71153434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4181.

The product of its digits is 5040, while the sum is 28.

The square root of 71153434 is about 8435.2494924572. The cubic root of 71153434 is about 414.3798430700.

It can be divided in two parts, 711 and 53434, that added together give a palindrome (54145).

The spelling of 71153434 in words is "seventy-one million, one hundred fifty-three thousand, four hundred thirty-four".