74814505290 has 96 divisors (see below), whose sum is σ = 222943593600. Its totient is φ = 17051409792.

The previous prime is 74814505277. The next prime is 74814505303. The reversal of 74814505290 is 9250541847.

74814505290 is a `hidden beast` number, since 7 + 4 + 81 + 45 + 0 + 529 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (74814505277) and next prime (74814505303).

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 49737 + ... + 390003.

It is an arithmetic number, because the mean of its divisors is an integer number (2322329100).

Almost surely, 2^74814505290 is an apocalyptic number.

74814505290 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 74814505290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111471796800).

74814505290 is an abundant number, since it is smaller than the sum of its proper divisors (148129088310).

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

74814505290 is a wasteful number, since it uses less digits than its factorization.

74814505290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340636 (or 340633 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The spelling of 74814505290 in words is "seventy-four billion, eight hundred fourteen million, five hundred five thousand, two hundred ninety".