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74970942 = 2317417177
BaseRepresentation
bin1000111011111…
…11011100111110
312020001220210120
410131333130332
5123143032232
611234515410
71600146114
oct435773476
9166056716
1074970942
1139356862
1221135b66
13126bc307
149d57ab4
1568ad92c
hex477f73e

74970942 has 16 divisors (see below), whose sum is σ = 150048912. Its totient is φ = 24972480.

The previous prime is 74970937. The next prime is 74970947. The reversal of 74970942 is 24907947.

It is an interprime number because it is at equal distance from previous prime (74970937) and next prime (74970947).

It is a junction number, because it is equal to n+sod(n) for n = 74970894 and 74970903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74970947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6858 + ... + 14034.

It is an arithmetic number, because the mean of its divisors is an integer number (9378057).

Almost surely, 274970942 is an apocalyptic number.

74970942 is an abundant number, since it is smaller than the sum of its proper divisors (75077970).

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

74970942 is a wasteful number, since it uses less digits than its factorization.

74970942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8923.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 74970942 is about 8658.5762109021. The cubic root of 74970942 is about 421.6618623570.

The spelling of 74970942 in words is "seventy-four million, nine hundred seventy thousand, nine hundred forty-two".

Divisors: 1 2 3 6 1741 3482 5223 7177 10446 14354 21531 43062 12495157 24990314 37485471 74970942