74649000 has 128 divisors (see below), whose sum is σ = 235872000. Its totient is φ = 19654400.

The previous prime is 74648927. The next prime is 74649011. The reversal of 74649000 is 94647.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 446917 + ... + 447083.

It is an arithmetic number, because the mean of its divisors is an integer number (1842750).

Almost surely, 2^74649000 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 74649000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117936000).

74649000 is an abundant number, since it is smaller than the sum of its proper divisors (161223000).

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

74649000 is a wasteful number, since it uses less digits than its factorization.

74649000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340 (or 326 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 74649000 is about 8639.9652777080. The cubic root of 74649000 is about 421.0574262064.

The spelling of 74649000 in words is "seventy-four million, six hundred forty-nine thousand".