74992148 has 48 divisors (see below), whose sum is σ = 166992000. Its totient is φ = 29211840.

The previous prime is 74992133. The next prime is 74992199. The reversal of 74992148 is 84129947.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 74992099 and 74992108.

It is a congruent number.

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, 12608 + ... + 17576.

It is an arithmetic number, because the mean of its divisors is an integer number (3479000).

Almost surely, 2^74992148 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 74992148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83496000).

74992148 is an abundant number, since it is smaller than the sum of its proper divisors (91999852).

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

74992148 is a wasteful number, since it uses less digits than its factorization.

74992148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5005 (or 4989 counting only the distinct ones).

The product of its digits is 145152, while the sum is 44.

The square root of 74992148 is about 8659.8006905471. The cubic root of 74992148 is about 421.7016151744.

The spelling of 74992148 in words is "seventy-four million, nine hundred ninety-two thousand, one hundred forty-eight".