74978848 has 24 divisors (see below), whose sum is σ = 168702912. Its totient is φ = 32133696.

The previous prime is 74978843. The next prime is 74978903. The reversal of 74978848 is 84887947.

It is not an unprimeable number, because it can be changed into a prime (74978843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167140 + ... + 167587.

It is an arithmetic number, because the mean of its divisors is an integer number (7029288).

Almost surely, 2^74978848 is an apocalyptic number.

It is an amenable number.

74978848 is an abundant number, since it is smaller than the sum of its proper divisors (93724064).

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

74978848 is a wasteful number, since it uses less digits than its factorization.

74978848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334744 (or 334736 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 55.

The square root of 74978848 is about 8659.0327404393. The cubic root of 74978848 is about 421.6766838394.

Subtracting 74978848 from its reverse (84887947), we obtain a palindrome (9909099).

It can be divided in two parts, 749 and 78848, that added together give a palindrome (79597).

The spelling of 74978848 in words is "seventy-four million, nine hundred seventy-eight thousand, eight hundred forty-eight".