74319560 has 32 divisors (see below), whose sum is σ = 191108160. Its totient is φ = 25480896.

The previous prime is 74319559. The next prime is 74319571. The reversal of 74319560 is 6591347.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 74319560.

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, 132434 + ... + 132993.

It is an arithmetic number, because the mean of its divisors is an integer number (5972130).

Almost surely, 2^74319560 is an apocalyptic number.

74319560 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

74319560 is an abundant number, since it is smaller than the sum of its proper divisors (116788600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74319560 is a wasteful number, since it uses less digits than its factorization.

74319560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265445 (or 265441 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 74319560 is about 8620.8793055001. The cubic root of 74319560 is about 420.4371110605.

The spelling of 74319560 in words is "seventy-four million, three hundred nineteen thousand, five hundred sixty".