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74934942 = 2312489157
BaseRepresentation
bin1000111011101…
…10101010011110
312020000002102020
410131312222132
5123140404232
611234041010
71566636135
oct435665236
9166002366
1074934942
1139331805
1221119166
13126a8b04
149d4891c
1568a2e2c
hex4776a9e

74934942 has 8 divisors (see below), whose sum is σ = 149869896. Its totient is φ = 24978312.

The previous prime is 74934911. The next prime is 74934961. The reversal of 74934942 is 24943947.

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

74934942 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 74934894 and 74934903.

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, 6244573 + ... + 6244584.

It is an arithmetic number, because the mean of its divisors is an integer number (18733737).

Almost surely, 274934942 is an apocalyptic number.

74934942 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.

74934942 is a wasteful number, since it uses less digits than its factorization.

74934942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12489162.

The product of its digits is 217728, while the sum is 42.

The square root of 74934942 is about 8656.4970975563. The cubic root of 74934942 is about 421.5943595041.

The spelling of 74934942 in words is "seventy-four million, nine hundred thirty-four thousand, nine hundred forty-two".

Divisors: 1 2 3 6 12489157 24978314 37467471 74934942