74170916 has 6 divisors (see below), whose sum is σ = 129799110. Its totient is φ = 37085456.

The previous prime is 74170913. The next prime is 74170919. The reversal of 74170916 is 61907147.

74170916 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (74170913) and next prime (74170919).

It can be written as a sum of positive squares in only one way, i.e., 73170916 + 1000000 = 8554^2 + 1000^2 .

74170916 is strictly pandigital in base 9.

It is not an unprimeable number, because it can be changed into a prime (74170913) by changing a digit.

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 as a sum of consecutive naturals, namely, 9271361 + ... + 9271368.

It is an arithmetic number, because the mean of its divisors is an integer number (21633185).

Almost surely, 2^74170916 is an apocalyptic number.

It is an amenable number.

74170916 is a deficient number, since it is larger than the sum of its proper divisors (55628194).

74170916 is a wasteful number, since it uses less digits than its factorization.

74170916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18542733 (or 18542731 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 74170916 is about 8612.2538281219. The cubic root of 74170916 is about 420.1566233697.

The spelling of 74170916 in words is "seventy-four million, one hundred seventy thousand, nine hundred sixteen".