74145536 has 36 divisors (see below), whose sum is σ = 150540600. Its totient is φ = 36436992.

The previous prime is 74145527. The next prime is 74145571. The reversal of 74145536 is 63554147.

It is a junction number, because it is equal to n+sod(n) for n = 74145496 and 74145505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12650 + ... + 17558.

Almost surely, 2^74145536 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 74145536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75270300).

74145536 is an abundant number, since it is smaller than the sum of its proper divisors (76395064).

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

74145536 is an equidigital number, since it uses as much as digits as its factorization.

74145536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4984 (or 4970 counting only the distinct ones).

The product of its digits is 50400, while the sum is 35.

The square root of 74145536 is about 8610.7802201659. The cubic root of 74145536 is about 420.1086944680.

The spelling of 74145536 in words is "seventy-four million, one hundred forty-five thousand, five hundred thirty-six".