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74906934 = 2325149739
BaseRepresentation
bin1000111011011…
…11110100110110
312012221122222220
410131233310312
5123134010214
611233303210
71566461364
oct435576466
9165848886
1074906934
1139312763
1221104b06
131269913b
149d3c634
1568999a9
hex476fd36

74906934 has 16 divisors (see below), whose sum is σ = 150413760. Its totient is φ = 24869000.

The previous prime is 74906933. The next prime is 74906941. The reversal of 74906934 is 43960947.

It is a super-2 number, since 2×749069342 = 11222097522560712, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74906933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23364 + ... + 26375.

It is an arithmetic number, because the mean of its divisors is an integer number (9400860).

Almost surely, 274906934 is an apocalyptic number.

74906934 is an abundant number, since it is smaller than the sum of its proper divisors (75506826).

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

74906934 is a wasteful number, since it uses less digits than its factorization.

74906934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49995.

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 74906934 is about 8654.8792019300. The cubic root of 74906934 is about 421.5418273300.

The spelling of 74906934 in words is "seventy-four million, nine hundred six thousand, nine hundred thirty-four".

Divisors: 1 2 3 6 251 502 753 1506 49739 99478 149217 298434 12484489 24968978 37453467 74906934