74853990 has 64 divisors (see below), whose sum is σ = 201553920. Its totient is φ = 19766880.

The previous prime is 74853929. The next prime is 74854007. The reversal of 74853990 is 9935847.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27595 + ... + 30185.

It is an arithmetic number, because the mean of its divisors is an integer number (3149280).

Almost surely, 2^74853990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74853990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100776960).

74853990 is an abundant number, since it is smaller than the sum of its proper divisors (126699930).

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

74853990 is a wasteful number, since it uses less digits than its factorization.

74853990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2714 (or 2708 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 74853990 is about 8651.8200397373. The cubic root of 74853990 is about 421.4424890822.

The spelling of 74853990 in words is "seventy-four million, eight hundred fifty-three thousand, nine hundred ninety".