74850624 has 84 divisors (see below), whose sum is σ = 221993460. Its totient is φ = 24084480.

The previous prime is 74850617. The next prime is 74850631. The reversal of 74850624 is 42605847.

It is an interprime number because it is at equal distance from previous prime (74850617) and next prime (74850631).

It can be written as a sum of positive squares in 2 ways, for example, as 49449024 + 25401600 = 7032^2 + 5040^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14464 + ... + 18944.

Almost surely, 2^74850624 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74850624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110996730).

74850624 is an abundant number, since it is smaller than the sum of its proper divisors (147142836).

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

74850624 is a wasteful number, since it uses less digits than its factorization.

74850624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4528 (or 4515 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 74850624 is about 8651.6255120064. The cubic root of 74850624 is about 421.4361719098.

The spelling of 74850624 in words is "seventy-four million, eight hundred fifty thousand, six hundred twenty-four".