74648838 has 64 divisors (see below), whose sum is σ = 167731200. Its totient is φ = 21958560.

The previous prime is 74648809. The next prime is 74648843. The reversal of 74648838 is 83884647.

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 31 ways as a sum of consecutive naturals, for example, 536973 + ... + 537111.

It is an arithmetic number, because the mean of its divisors is an integer number (2620800).

Almost surely, 2^74648838 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74648838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83865600).

74648838 is an abundant number, since it is smaller than the sum of its proper divisors (93082362).

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

74648838 is a wasteful number, since it uses less digits than its factorization.

74648838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337.

The product of its digits is 1032192, while the sum is 48.

The square root of 74648838 is about 8639.9559026652. The cubic root of 74648838 is about 421.0571216193.

The spelling of 74648838 in words is "seventy-four million, six hundred forty-eight thousand, eight hundred thirty-eight".