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74437340 = 22537100591
BaseRepresentation
bin1000110111111…
…01001011011100
312012001210211112
410123331023130
5123023443330
611215241152
71562464325
oct433751334
9165053745
1074437340
113902196a
1220b191b8
1312563483
149c5944c
156805795
hex46fd2dc

74437340 has 24 divisors (see below), whose sum is σ = 160544832. Its totient is φ = 28969920.

The previous prime is 74437333. The next prime is 74437357. The reversal of 74437340 is 4373447.

It is a junction number, because it is equal to n+sod(n) for n = 74437297 and 74437306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49556 + ... + 51035.

It is an arithmetic number, because the mean of its divisors is an integer number (6689368).

Almost surely, 274437340 is an apocalyptic number.

It is an amenable number.

74437340 is an abundant number, since it is smaller than the sum of its proper divisors (86107492).

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

74437340 is a wasteful number, since it uses less digits than its factorization.

74437340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100637 (or 100635 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 32.

The square root of 74437340 is about 8627.7076909223. The cubic root of 74437340 is about 420.6590936585.

The spelling of 74437340 in words is "seventy-four million, four hundred thirty-seven thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 37 74 148 185 370 740 100591 201182 402364 502955 1005910 2011820 3721867 7443734 14887468 18609335 37218670 74437340