74724374 has 8 divisors (see below), whose sum is σ = 112124088. Its totient is φ = 37349680.

The previous prime is 74724347. The next prime is 74724383. The reversal of 74724374 is 47342747.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 6074 + ... + 13650.

It is an arithmetic number, because the mean of its divisors is an integer number (14015511).

Almost surely, 2^74724374 is an apocalyptic number.

74724374 is a deficient number, since it is larger than the sum of its proper divisors (37399714).

74724374 is a wasteful number, since it uses less digits than its factorization.

74724374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12510.

The product of its digits is 131712, while the sum is 38.

The square root of 74724374 is about 8644.3261160139. The cubic root of 74724374 is about 421.1990941312.

The spelling of 74724374 in words is "seventy-four million, seven hundred twenty-four thousand, three hundred seventy-four".