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74404746 = 23213317969
BaseRepresentation
bin1000110111101…
…01001110001010
312012000011010100
410123311032022
5123021422441
611214430230
71562300313
oct433651612
9165004110
1074404746
1138aaa429
1220b02376
13125516a0
149c4b60a
1567eacb6
hex46f538a

74404746 has 24 divisors (see below), whose sum is σ = 173611620. Its totient is φ = 22893696.

The previous prime is 74404711. The next prime is 74404753. The reversal of 74404746 is 64740447.

It can be written as a sum of positive squares in 2 ways, for example, as 53802225 + 20602521 = 7335^2 + 4539^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 74404746.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158751 + ... + 159218.

Almost surely, 274404746 is an apocalyptic number.

74404746 is an abundant number, since it is smaller than the sum of its proper divisors (99206874).

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

74404746 is a wasteful number, since it uses less digits than its factorization.

74404746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317990 (or 317987 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 36.

The square root of 74404746 is about 8625.8185698518. The cubic root of 74404746 is about 420.5976864660.

The spelling of 74404746 in words is "seventy-four million, four hundred four thousand, seven hundred forty-six".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 234 317969 635938 953907 1907814 2861721 4133597 5723442 8267194 12400791 24801582 37202373 74404746