74968040 has 96 divisors (see below), whose sum is σ = 204871680. Its totient is φ = 24571008.

The previous prime is 74968039. The next prime is 74968043. The reversal of 74968040 is 4086947.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 74967985 and 74968003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74968043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44249 + ... + 45911.

It is an arithmetic number, because the mean of its divisors is an integer number (2134080).

Almost surely, 2^74968040 is an apocalyptic number.

74968040 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74968040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102435840).

74968040 is an abundant number, since it is smaller than the sum of its proper divisors (129903640).

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

74968040 is a wasteful number, since it uses less digits than its factorization.

74968040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1711 (or 1700 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 74968040 is about 8658.4086297656. The cubic root of 74968040 is about 421.6564216779.

The spelling of 74968040 in words is "seventy-four million, nine hundred sixty-eight thousand, forty".