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74928764 = 22163711443
BaseRepresentation
bin1000111011101…
…01001001111100
312012222202221102
410131311021330
5123140210024
611233552232
71566612131
oct435651174
9165882842
1074928764
11393280a9
1221115678
13126a6061
149d46588
1568a11ae
hex477527c

74928764 has 12 divisors (see below), whose sum is σ = 131216904. Its totient is φ = 37438224.

The previous prime is 74928739. The next prime is 74928773. The reversal of 74928764 is 46782947.

It is a super-2 number, since 2×749287642 = 11228639349135392, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 827 + ... + 12269.

It is an arithmetic number, because the mean of its divisors is an integer number (10934742).

Almost surely, 274928764 is an apocalyptic number.

It is an amenable number.

74928764 is a deficient number, since it is larger than the sum of its proper divisors (56288140).

74928764 is a wasteful number, since it uses less digits than its factorization.

74928764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13084 (or 13082 counting only the distinct ones).

The product of its digits is 677376, while the sum is 47.

The square root of 74928764 is about 8656.1402484017. The cubic root of 74928764 is about 421.5827730912.

The spelling of 74928764 in words is "seventy-four million, nine hundred twenty-eight thousand, seven hundred sixty-four".

Divisors: 1 2 4 1637 3274 6548 11443 22886 45772 18732191 37464382 74928764