71350988 has 24 divisors (see below), whose sum is σ = 128388624. Its totient is φ = 34675200.

The previous prime is 71350967. The next prime is 71350997. The reversal of 71350988 is 88905317.

It is a happy number.

It is a super-2 number, since 2×71350988² = 10181926977152288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

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, 54623 + ... + 55913.

It is an arithmetic number, because the mean of its divisors is an integer number (5349526).

Almost surely, 2^71350988 is an apocalyptic number.

It is an amenable number.

71350988 is a deficient number, since it is larger than the sum of its proper divisors (57037636).

71350988 is a wasteful number, since it uses less digits than its factorization.

71350988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1673 (or 1671 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 71350988 is about 8446.9514027251. The cubic root of 71350988 is about 414.7629904239.

The spelling of 71350988 in words is "seventy-one million, three hundred fifty thousand, nine hundred eighty-eight".