74693850 has 192 divisors, whose sum is σ = 239984640. Its totient is φ = 14918400.

The previous prime is 74693777. The next prime is 74693851. The reversal of 74693850 is 5839647.

It is a happy number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (74693851) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 334839 + ... + 335061.

It is an arithmetic number, because the mean of its divisors is an integer number (1249920).

Almost surely, 2^74693850 is an apocalyptic number.

74693850 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

74693850 is the 4620-th nonagonal number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74693850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119992320).

74693850 is an abundant number, since it is smaller than the sum of its proper divisors (165290790).

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

74693850 is a wasteful number, since it uses less digits than its factorization.

74693850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285 (or 280 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 74693850 is about 8642.5603845157. The cubic root of 74693850 is about 421.1417347474.

The spelling of 74693850 in words is "seventy-four million, six hundred ninety-three thousand, eight hundred fifty".