74837264 has 40 divisors (see below), whose sum is σ = 155670840. Its totient is φ = 34725888.

The previous prime is 74837251. The next prime is 74837267. The reversal of 74837264 is 46273847.

It can be written as a sum of positive squares in 4 ways, for example, as 35046400 + 39790864 = 5920^2 + 6308^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74837267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17972 + ... + 21740.

It is an arithmetic number, because the mean of its divisors is an integer number (3891771).

Almost surely, 2^74837264 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 74837264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77835420).

74837264 is an abundant number, since it is smaller than the sum of its proper divisors (80833576).

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

74837264 is a wasteful number, since it uses less digits than its factorization.

74837264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3867 (or 3861 counting only the distinct ones).

The product of its digits is 225792, while the sum is 41.

The square root of 74837264 is about 8650.8533683100. The cubic root of 74837264 is about 421.4110965354.

The spelling of 74837264 in words is "seventy-four million, eight hundred thirty-seven thousand, two hundred sixty-four".