74134764 has 180 divisors, whose sum is σ = 223499584. Its totient is φ = 21384000.

The previous prime is 74134747. The next prime is 74134769. The reversal of 74134764 is 46743147.

It is a happy number.

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 (74134769) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1215294 + ... + 1215354.

Almost surely, 2^74134764 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 74134764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111749792).

74134764 is an abundant number, since it is smaller than the sum of its proper divisors (149364820).

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

74134764 is a wasteful number, since it uses less digits than its factorization.

74134764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130 (or 108 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 74134764 is about 8610.1547024429. The cubic root of 74134764 is about 420.0883487611.

The spelling of 74134764 in words is "seventy-four million, one hundred thirty-four thousand, seven hundred sixty-four".