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74040037040 = 245925500463
BaseRepresentation
bin100010011110100100…
…0010100111010110000
321002002222101120211002
41010331020110322300
52203113222141130
654002530541132
75230531634204
oct1047510247260
9232088346732
1074040037040
1129444741762
1212423a377a8
136c9c446708
1438253ccb04
151dd5143b45
hex113d214eb0

74040037040 has 20 divisors (see below), whose sum is σ = 172143086304. Its totient is φ = 29616014784.

The previous prime is 74040037003. The next prime is 74040037073. The reversal of 74040037040 is 4073004047.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 74040036994 and 74040037012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 462750152 + ... + 462750311.

Almost surely, 274040037040 is an apocalyptic number.

It is an amenable number.

74040037040 is an abundant number, since it is smaller than the sum of its proper divisors (98103049264).

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

74040037040 is a wasteful number, since it uses less digits than its factorization.

74040037040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925500476 (or 925500470 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 29.

The spelling of 74040037040 in words is "seventy-four billion, forty million, thirty-seven thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 925500463 1851000926 3702001852 4627502315 7404003704 9255004630 14808007408 18510009260 37020018520 74040037040