74070892 has 96 divisors (see below), whose sum is σ = 165473280. Its totient is φ = 28304640.

The previous prime is 74070889. The next prime is 74070907. The reversal of 74070892 is 29807047.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1043217 + ... + 1043287.

It is an arithmetic number, because the mean of its divisors is an integer number (1723680).

Almost surely, 2^74070892 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 74070892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82736640).

74070892 is an abundant number, since it is smaller than the sum of its proper divisors (91402388).

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

74070892 is a wasteful number, since it uses less digits than its factorization.

74070892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 74070892 is about 8606.4447944549. Note that the first 3 decimals coincide. The cubic root of 74070892 is about 419.9676694690.

The spelling of 74070892 in words is "seventy-four million, seventy thousand, eight hundred ninety-two".