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74949074 = 237474537
BaseRepresentation
bin1000111011110…
…10000111010010
312020000210210122
410131322013102
5123141332244
611234230242
71600025264
oct435720722
9166023718
1074949074
1139341392
1221125382
13126b2385
149d4db34
1568a71ee
hex477a1d2

74949074 has 4 divisors (see below), whose sum is σ = 112423614. Its totient is φ = 37474536.

The previous prime is 74949071. The next prime is 74949089. The reversal of 74949074 is 47094947.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 68773849 + 6175225 = 8293^2 + 2485^2 .

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (74949071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18737267 + ... + 18737270.

Almost surely, 274949074 is an apocalyptic number.

74949074 is a deficient number, since it is larger than the sum of its proper divisors (37474540).

74949074 is a wasteful number, since it uses less digits than its factorization.

74949074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37474539.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 74949074 is about 8657.3133245829. The cubic root of 74949074 is about 421.6208607011.

The spelling of 74949074 in words is "seventy-four million, nine hundred forty-nine thousand, seventy-four".

Divisors: 1 2 37474537 74949074