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64741074 = 2310790179
BaseRepresentation
bin1111011011110…
…1111011010010
311111211012001120
43312331323102
5113033203244
610231343110
71414201326
oct366757322
9144735046
1064741074
11335a9a22
1219821a96
1310549c38
148853986
155a3c819
hex3dbded2

64741074 has 8 divisors (see below), whose sum is σ = 129482160. Its totient is φ = 21580356.

The previous prime is 64741073. The next prime is 64741093. The reversal of 64741074 is 47014746.

It is a sphenic number, since it is the product of 3 distinct primes.

64741074 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (64741073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5395084 + ... + 5395095.

It is an arithmetic number, because the mean of its divisors is an integer number (16185270).

Almost surely, 264741074 is an apocalyptic number.

64741074 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

64741074 is a wasteful number, since it uses less digits than its factorization.

64741074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10790184.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 64741074 is about 8046.1838159465. The cubic root of 64741074 is about 401.5379831075.

The spelling of 64741074 in words is "sixty-four million, seven hundred forty-one thousand, seventy-four".

Divisors: 1 2 3 6 10790179 21580358 32370537 64741074