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74802064 = 244675129
BaseRepresentation
bin1000111010101…
…10001110010000
312012202100010211
410131112032100
5123122131224
611231133504
71565543551
oct435261620
9165670124
1074802064
1139250997
1221074294
131266049c
149d12328
156878894
hex4756390

74802064 has 10 divisors (see below), whose sum is σ = 144929030. Its totient is φ = 37401024.

The previous prime is 74802061. The next prime is 74802067. The reversal of 74802064 is 46020847.

It is an interprime number because it is at equal distance from previous prime (74802061) and next prime (74802067).

It can be written as a sum of positive squares in only one way, i.e., 43665664 + 31136400 = 6608^2 + 5580^2 .

It is a super-4 number, since 4×748020644 (a number of 33 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (74802061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2337549 + ... + 2337580.

It is an arithmetic number, because the mean of its divisors is an integer number (14492903).

Almost surely, 274802064 is an apocalyptic number.

It is an amenable number.

74802064 is a deficient number, since it is larger than the sum of its proper divisors (70126966).

74802064 is a wasteful number, since it uses less digits than its factorization.

74802064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4675137 (or 4675131 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 74802064 is about 8648.8186476536. The cubic root of 74802064 is about 421.3450153876.

The spelling of 74802064 in words is "seventy-four million, eight hundred two thousand, sixty-four".

Divisors: 1 2 4 8 16 4675129 9350258 18700516 37401032 74802064