73071716 has 12 divisors (see below), whose sum is σ = 128108988. Its totient is φ = 36469152.

The previous prime is 73071703. The next prime is 73071721. The reversal of 73071716 is 61717037.

It can be written as a sum of positive squares in 2 ways, for example, as 45024100 + 28047616 = 6710^2 + 5296^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14171 + ... + 18626.

It is an arithmetic number, because the mean of its divisors is an integer number (10675749).

Almost surely, 2^73071716 is an apocalyptic number.

It is an amenable number.

73071716 is a deficient number, since it is larger than the sum of its proper divisors (55037272).

73071716 is a wasteful number, since it uses less digits than its factorization.

73071716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33358 (or 33356 counting only the distinct ones).

The product of its (nonzero) digits is 6174, while the sum is 32.

The square root of 73071716 is about 8548.1995765190. The cubic root of 73071716 is about 418.0707357989.

The spelling of 73071716 in words is "seventy-three million, seventy-one thousand, seven hundred sixteen".