74523426 has 8 divisors (see below), whose sum is σ = 149046864. Its totient is φ = 24841140.

The previous prime is 74523373. The next prime is 74523433. The reversal of 74523426 is 62432547.

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

74523426 is an admirable number.

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, 6210280 + ... + 6210291.

It is an arithmetic number, because the mean of its divisors is an integer number (18630858).

Almost surely, 2^74523426 is an apocalyptic number.

74523426 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

74523426 is a wasteful number, since it uses less digits than its factorization.

74523426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12420576.

The product of its digits is 40320, while the sum is 33.

The square root of 74523426 is about 8632.6951758996. The cubic root of 74523426 is about 420.8211937898.

It can be divided in two parts, 7452 and 3426, that added together give a triangular number (10878 = T₁₄₇).

The spelling of 74523426 in words is "seventy-four million, five hundred twenty-three thousand, four hundred twenty-six".