74497536 has 160 divisors (see below), whose sum is σ = 234226080. Its totient is φ = 23298048.

The previous prime is 74497523. The next prime is 74497547. The reversal of 74497536 is 63579447.

74497536 is a `hidden beast` number, since 74 + 49 + 7 + 536 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 74497491 and 74497500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234850 + ... + 235166.

It is an arithmetic number, because the mean of its divisors is an integer number (1463913).

Almost surely, 2^74497536 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 74497536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117113040).

74497536 is an abundant number, since it is smaller than the sum of its proper divisors (159728544).

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

74497536 is a wasteful number, since it uses less digits than its factorization.

74497536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361 (or 339 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The square root of 74497536 is about 8631.1955139482. The cubic root of 74497536 is about 420.7724559937.

The spelling of 74497536 in words is "seventy-four million, four hundred ninety-seven thousand, five hundred thirty-six".