74398500 has 240 divisors, whose sum is σ = 266378112. Its totient is φ = 17928000.

The previous prime is 74398463. The next prime is 74398501. The reversal of 74398500 is 589347.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (74398501) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 445417 + ... + 445583.

Almost surely, 2^74398500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74398500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133189056).

74398500 is an abundant number, since it is smaller than the sum of its proper divisors (191979612).

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

74398500 is a wasteful number, since it uses less digits than its factorization.

74398500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209 (or 188 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 74398500 is about 8625.4565096579. The cubic root of 74398500 is about 420.5859169360.

The spelling of 74398500 in words is "seventy-four million, three hundred ninety-eight thousand, five hundred".