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74950137 = 332775931
BaseRepresentation
bin1000111011110…
…10010111111001
312020000212021000
410131322113321
5123141401022
611234235213
71600031343
oct435722771
9166025230
1074950137
1139342169
1221125b09
13126b29c2
149d50293
1568a76ac
hex477a5f9

74950137 has 8 divisors (see below), whose sum is σ = 111037280. Its totient is φ = 49966740.

The previous prime is 74950121. The next prime is 74950147. The reversal of 74950137 is 73105947.

It is a happy number.

It is not a de Polignac number, because 74950137 - 24 = 74950121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74950147) 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, 1387939 + ... + 1387992.

It is an arithmetic number, because the mean of its divisors is an integer number (13879660).

Almost surely, 274950137 is an apocalyptic number.

It is an amenable number.

74950137 is a deficient number, since it is larger than the sum of its proper divisors (36087143).

74950137 is a wasteful number, since it uses less digits than its factorization.

74950137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2775940 (or 2775934 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 74950137 is about 8657.3747175457. The cubic root of 74950137 is about 421.6228539695.

The spelling of 74950137 in words is "seventy-four million, nine hundred fifty thousand, one hundred thirty-seven".

Divisors: 1 3 9 27 2775931 8327793 24983379 74950137