74694140 has 48 divisors (see below), whose sum is σ = 164203200. Its totient is φ = 28503552.

The previous prime is 74694131. The next prime is 74694167. The reversal of 74694140 is 4149647.

It is a self number, because there is not a number n which added to its sum of digits gives 74694140.

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, 50897 + ... + 52343.

It is an arithmetic number, because the mean of its divisors is an integer number (3420900).

Almost surely, 2^74694140 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 74694140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82101600).

74694140 is an abundant number, since it is smaller than the sum of its proper divisors (89509060).

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

74694140 is a wasteful number, since it uses less digits than its factorization.

74694140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1574 (or 1572 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 74694140 is about 8642.5771619350. The cubic root of 74694140 is about 421.1422797764.

The spelling of 74694140 in words is "seventy-four million, six hundred ninety-four thousand, one hundred forty".