74361450 has 48 divisors (see below), whose sum is σ = 186970176. Its totient is φ = 19555200.

The previous prime is 74361439. The next prime is 74361487. The reversal of 74361450 is 5416347.

It is a super-2 number, since 2×74361450² = 11059250492205000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7555 + ... + 14345.

It is an arithmetic number, because the mean of its divisors is an integer number (3895212).

Almost surely, 2^74361450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74361450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93485088).

74361450 is an abundant number, since it is smaller than the sum of its proper divisors (112608726).

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

74361450 is a wasteful number, since it uses less digits than its factorization.

74361450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6879 (or 6874 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 74361450 is about 8623.3085297930. The cubic root of 74361450 is about 420.5160889349.

Adding to 74361450 its reverse (5416347), we get a palindrome (79777797).

The spelling of 74361450 in words is "seventy-four million, three hundred sixty-one thousand, four hundred fifty".