71514418 has 16 divisors (see below), whose sum is σ = 110236896. Its totient is φ = 34776000.

The previous prime is 71514409. The next prime is 71514473. The reversal of 71514418 is 81441517.

It is a super-2 number, since 2×71514418² = 10228623963757448, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 71514418.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19930 + ... + 23242.

It is an arithmetic number, because the mean of its divisors is an integer number (6889806).

Almost surely, 2^71514418 is an apocalyptic number.

71514418 is a deficient number, since it is larger than the sum of its proper divisors (38722478).

71514418 is a wasteful number, since it uses less digits than its factorization.

71514418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3609.

The product of its digits is 4480, while the sum is 31.

The square root of 71514418 is about 8456.6197738813. The cubic root of 71514418 is about 415.0794215828.

The spelling of 71514418 in words is "seventy-one million, five hundred fourteen thousand, four hundred eighteen".