Search a number
-
+
74057760 = 2533573179
BaseRepresentation
bin1000110101000…
…00100000100000
312011100112011000
410122200200200
5122424322020
611203152000
71556323560
oct432404040
9164315130
1074057760
1138892767
1220975600
131245c77a
149b9ada0
15677d090
hex46a0820

74057760 has 384 divisors, whose sum is σ = 309657600. Its totient is φ = 16174080.

The previous prime is 74057747. The next prime is 74057771. The reversal of 74057760 is 6775047.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 937401 + ... + 937479.

It is an arithmetic number, because the mean of its divisors is an integer number (806400).

Almost surely, 274057760 is an apocalyptic number.

74057760 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74057760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154828800).

74057760 is an abundant number, since it is smaller than the sum of its proper divisors (235599840).

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

74057760 is a wasteful number, since it uses less digits than its factorization.

74057760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 36.

The square root of 74057760 is about 8605.6818439912. The cubic root of 74057760 is about 419.9428493666.

The spelling of 74057760 in words is "seventy-four million, fifty-seven thousand, seven hundred sixty".