74479392 has 192 divisors, whose sum is σ = 246960000. Its totient is φ = 21648384.

The previous prime is 74479367. The next prime is 74479393. The reversal of 74479392 is 29397447.

It is not an unprimeable number, because it can be changed into a prime (74479393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 213234 + ... + 213582.

It is an arithmetic number, because the mean of its divisors is an integer number (1286250).

Almost surely, 2^74479392 is an apocalyptic number.

74479392 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74479392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123480000).

74479392 is an abundant number, since it is smaller than the sum of its proper divisors (172480608).

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

74479392 is a wasteful number, since it uses less digits than its factorization.

74479392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400 (or 386 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 74479392 is about 8630.1443788618. The cubic root of 74479392 is about 420.7382932740.

The spelling of 74479392 in words is "seventy-four million, four hundred seventy-nine thousand, three hundred ninety-two".