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74348064 = 2533719647
BaseRepresentation
bin1000110111001…
…11011000100000
312011220021101000
410123213120200
5123013114224
611213312000
71561643130
oct433473040
9164807330
1074348064
1138a7088a
1220a95600
131253194b
149c34ac0
1567d90c9
hex46e7620

74348064 has 192 divisors, whose sum is σ = 261273600. Its totient is φ = 20093184.

The previous prime is 74348063. The next prime is 74348093. The reversal of 74348064 is 46084347.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (74348063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 114589 + ... + 115235.

It is an arithmetic number, because the mean of its divisors is an integer number (1360800).

Almost surely, 274348064 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 74348064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130636800).

74348064 is an abundant number, since it is smaller than the sum of its proper divisors (186925536).

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

74348064 is a wasteful number, since it uses less digits than its factorization.

74348064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692 (or 678 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 74348064 is about 8622.5323426474. The cubic root of 74348064 is about 420.4908546853.

The spelling of 74348064 in words is "seventy-four million, three hundred forty-eight thousand, sixty-four".