74125450 has 96 divisors (see below), whose sum is σ = 166953600. Its totient is φ = 23950080.

The previous prime is 74125409. The next prime is 74125451. The reversal of 74125450 is 5452147.

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

It is not an unprimeable number, because it can be changed into a prime (74125451) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 679996 + ... + 680104.

It is an arithmetic number, because the mean of its divisors is an integer number (1739100).

Almost surely, 2^74125450 is an apocalyptic number.

74125450 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

74125450 is an abundant number, since it is smaller than the sum of its proper divisors (92828150).

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

74125450 is a wasteful number, since it uses less digits than its factorization.

74125450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 74125450 is about 8609.6138124773. The cubic root of 74125450 is about 420.0707552753.

Adding to 74125450 its reverse (5452147), we get a palindrome (79577597).

The spelling of 74125450 in words is "seventy-four million, one hundred twenty-five thousand, four hundred fifty".