74546500 has 144 divisors (see below), whose sum is σ = 199704960. Its totient is φ = 23803200.

The previous prime is 74546497. The next prime is 74546503. The reversal of 74546500 is 564547.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (74546497) and next prime (74546503).

It is not an unprimeable number, because it can be changed into a prime (74546503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1263471 + ... + 1263529.

It is an arithmetic number, because the mean of its divisors is an integer number (1386840).

Almost surely, 2^74546500 is an apocalyptic number.

74546500 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 74546500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99852480).

74546500 is an abundant number, since it is smaller than the sum of its proper divisors (125158460).

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

74546500 is a wasteful number, since it uses less digits than its factorization.

74546500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 74546500 is about 8634.0315033013. The cubic root of 74546500 is about 420.8646209678.

The spelling of 74546500 in words is "seventy-four million, five hundred forty-six thousand, five hundred".