74247976 has 64 divisors (see below), whose sum is σ = 166095360. Its totient is φ = 30720000.

The previous prime is 74247973. The next prime is 74248001. The reversal of 74247976 is 67974247.

It is not an unprimeable number, because it can be changed into a prime (74247973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45576 + ... + 47176.

It is an arithmetic number, because the mean of its divisors is an integer number (2595240).

Almost surely, 2^74247976 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 74247976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83047680).

74247976 is an abundant number, since it is smaller than the sum of its proper divisors (91847384).

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

74247976 is a wasteful number, since it uses less digits than its factorization.

74247976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666 (or 1662 counting only the distinct ones).

The product of its digits is 592704, while the sum is 46.

The square root of 74247976 is about 8616.7265246148. The cubic root of 74247976 is about 420.3020804878.

It can be divided in two parts, 7424 and 7976, that added together give a triangular number (15400 = T₁₇₅).

The spelling of 74247976 in words is "seventy-four million, two hundred forty-seven thousand, nine hundred seventy-six".