74712000 has 224 divisors, whose sum is σ = 270077184. Its totient is φ = 18048000.

The previous prime is 74711983. The next prime is 74712017. The reversal of 74712000 is 21747.

It is an interprime number because it is at equal distance from previous prime (74711983) and next prime (74712017).

It is a congruent number.

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, 263859 + ... + 264141.

Almost surely, 2^74712000 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 74712000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135038592).

74712000 is an abundant number, since it is smaller than the sum of its proper divisors (195365184).

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

74712000 is a wasteful number, since it uses less digits than its factorization.

74712000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324 (or 304 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 21.

The square root of 74712000 is about 8643.6103567896. The cubic root of 74712000 is about 421.1758433273.

Adding to 74712000 its reverse (21747), we get a palindrome (74733747).

The spelling of 74712000 in words is "seventy-four million, seven hundred twelve thousand".