74612552 has 64 divisors (see below), whose sum is σ = 170138880. Its totient is φ = 29981952.

The previous prime is 74612543. The next prime is 74612561. The reversal of 74612552 is 25521647.

It is an interprime number because it is at equal distance from previous prime (74612543) and next prime (74612561).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67718 + ... + 68810.

It is an arithmetic number, because the mean of its divisors is an integer number (2658420).

Almost surely, 2^74612552 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 74612552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85069440).

74612552 is an abundant number, since it is smaller than the sum of its proper divisors (95526328).

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

74612552 is a wasteful number, since it uses less digits than its factorization.

74612552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182 (or 1178 counting only the distinct ones).

The product of its digits is 16800, while the sum is 32.

The square root of 74612552 is about 8637.8557524423. The cubic root of 74612552 is about 420.9888867775.

The spelling of 74612552 in words is "seventy-four million, six hundred twelve thousand, five hundred fifty-two".